2557. chamets
Lexical Summary
chamets: leavened, leaven, leavened bread

Original Word: חָמֵץ
Part of Speech: Noun Masculine
Transliteration: chametz
Pronunciation: khaw-mates'
Phonetic Spelling: (khaw-mates')
KJV: leaven, leavened (bread)
NASB: leavened, leaven, leavened bread, which is leavened
Word Origin: [from H2556 (חָמֵץ - To be leavened)]

1. ferment, (figuratively) extortion

Strong's Exhaustive Concordance
leaven, leavened bread

From chamets; ferment, (figuratively) extortion -- leaven, leavened (bread).

see HEBREW chamets

NAS Exhaustive Concordance
Word Origin
from chamets
Definition
that which is leavened
NASB Translation
leaven (3), leavened (4), leavened bread (3), which is leavened (1).

Brown-Driver-Briggs
חָמֵץ noun masculineExodus 13:3 that which is leavened֯׳ח Exodus 12:15 10t. — forbidden at Passover Exodus 12:15 (P), Exodus 13:3,7 (JE), Deuteronomy 16:3, in all sacrifices Exodus 23:18; Exodus 34:25 (both J E); compare Amos 4:5; Leviticus 2:11; Leviticus 6:10 (P; apposition); exceptions are ׳לֶחֶם ח of peace-offering Leviticus 7:13 (P), and the wave-loaves (׳ח appositive) Leviticus 23:17 (H). — see RSSem 208 OTJC 2, 345.

מַחְמֶ֫צֶת noun feminine anything leavened, only Exodus 12:19,20 (P).

Topical Lexicon
Definition and Background

חָמֵץ (chamets) denotes bread or dough permeated by yeast or other agents of fermentation, resulting in a souring or rising. In the Ancient Near East, leaven was produced by reserving a bit of old dough or by using fermented fruit juice, then mixing it into fresh flour and water. Within Israelite life the product was common fare, yet its ritual use was tightly regulated by divine command.

Central Role in Passover and the Feast of Unleavened Bread

Exodus 12–13 and Deuteronomy 16 place chamets at the heart of Israel’s annual remembrance of redemption. On the night of the Exodus no leaven was to be consumed or even present in the houses, and the prohibition was extended for seven days:

“For seven days you must eat unleavened bread. On the first day you are to remove the leaven from your houses” (Exodus 12:15).

The absence of chamets dramatized the haste of departure (“bread of affliction,” Deuteronomy 16:3) and modeled a new life purged from Egypt’s influence. So serious was the command that eating leaven during the feast incurred the penalty of being “cut off from Israel” (Exodus 12:15, 19). The annual search and removal of chamets became a concrete ritual of self-examination and cleansing that continues in Jewish practice and illumines the New Testament call to “celebrate the feast… with the unleavened bread of sincerity and truth” (1 Corinthians 5:8).

Prohibitions in Sacrificial Worship

Leaven was normally excluded from offerings burned on the altar:

“No grain offering that you present to the LORD shall be made with yeast” (Leviticus 2:11).

The principle reappears in Exodus 23:18 and Exodus 34:25, where the blood of sacrifice must never be joined with chamets. Fermentation, symbolizing corruption and natural human process, had no place in those rites that typified the spotless character of the coming Messiah and the immediacy of divine provision.

Qualified Exceptions: Peace and Firstfruits Offerings

Though barred from the altar fire, chamets was not universally forbidden. Two notable exceptions reveal a balanced theology of celebration:
Leviticus 7:13 allows “cakes of leavened bread” to accompany the thanksgiving peace offering, food shared between worshiper, priest, and LORD.
Leviticus 23:17 commands that the two wave-loaves of Pentecost be “baked with yeast as the firstfruits to the LORD.”

In both cases the leavened loaves were lifted before God but not burned, signifying that redeemed, though imperfect, human fellowship can be accepted on the basis of atoning blood.

Prophetic Usage

Amos 4:5 records Israel’s vain attempt to impress God with ostentatious worship:

“Burn leavened bread as a thank offering and loudly proclaim your freewill offerings.”

By highlighting leaven Amos exposes the nation’s superficial piety. What God desired was covenant faithfulness, not theatrical sacrifice tainted by the very element He had regulated.

Symbolic and Theological Significance

1. Purity and Separation. Chamets’ removal during Passover teaches that redeemed people are called to a distinct life, hastening away from bondage.
2. Corrupting Influence. Because a small lump affects the whole, leaven became an apt metaphor for sin, hypocrisy, and false teaching (Matthew 16:6; 1 Corinthians 5:6-7).
3. Completion and Joy. The Pentecost wave-loaves acknowledge that God receives harvest and worship from imperfect people, anticipating the outpouring of the Spirit fifty days after Christ’s resurrection.

Historical Practice

Second-Temple sources describe meticulous domestic searches for chamets on the evening before Passover, a tradition likely rooted in Exodus 12:19. In the broader Ancient Near Eastern context, deities were often offered cakes with honey and leaven, making Israel’s restrictions distinctive and theologically intentional.

Ministry Applications

• Personal Holiness: Periodic “house-cleaning” of attitudes and habits, patterned on the removal of chamets, fosters ongoing sanctification.
• Corporate Discipline: Like leaven in dough, unchecked sin affects the whole congregation; biblical church discipline reflects the Exodus model.
• Worship Planning: The contrast between unleavened and leavened offerings reminds leaders to distinguish elements that symbolize Christ’s perfection from those that express communal thanksgiving.

Christological Insights

Jesus, the sinless Passover Lamb, was offered without chamets. His burial and resurrection during the Feast of Unleavened Bread display a life wholly undefiled, while Pentecost’s leavened loaves foreshadow the ingathering of Jews and Gentiles into one Spirit-filled body, accepted though still being sanctified.

Key References

Exodus 12:15, 19-20; Exodus 13:3, 7; Exodus 23:18; Exodus 34:25

Leviticus 2:11; Leviticus 6:17; Leviticus 7:13; Leviticus 23:17

Deuteronomy 16:3

Amos 4:5

Forms and Transliterations
חָמֵ֑ץ חָמֵ֔ץ חָמֵ֖ץ חָמֵ֗ץ חָמֵֽץ׃ חמץ חמץ׃ מֵֽחָמֵץ֙ מַחְמֶ֖צֶת מַחְמֶ֗צֶת מחמץ מחמצת chaMetz ḥā·mêṣ ḥāmêṣ machMetzet maḥ·me·ṣeṯ maḥmeṣeṯ mê·ḥā·mêṣ mechaMetz mêḥāmêṣ
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Exodus 12:15
HEB: כָּל־ אֹכֵ֣ל חָמֵ֗ץ וְנִכְרְתָ֞ה הַנֶּ֤פֶשׁ
NAS: eats anything leavened from the first
KJV: for whosoever eateth leavened bread from the first
INT: whoever eats leavened shall be cut person

Exodus 12:19
HEB: כָּל־ אֹכֵ֣ל מַחְמֶ֗צֶת וְנִכְרְתָ֞ה הַנֶּ֤פֶשׁ
INT: whoever eats leaven shall be cut person

Exodus 12:20
HEB: כָּל־ מַחְמֶ֖צֶת לֹ֣א תֹאכֵ֑לוּ
INT: anything leaven shall not eat

Exodus 13:3
HEB: וְלֹ֥א יֵאָכֵ֖ל חָמֵֽץ׃
NAS: place. And nothing leavened shall be eaten.
KJV: brought you out from this [place]: there shall no leavened bread be eaten.
INT: and nothing shall be eaten leavened

Exodus 13:7
HEB: יֵרָאֶ֨ה לְךָ֜ חָמֵ֗ץ וְלֹֽא־ יֵרָאֶ֥ה
NAS: and nothing leavened shall be seen
KJV: days; and there shall no leavened bread be seen
INT: and nothing shall be seen leavened nor be seen

Exodus 23:18
HEB: תִזְבַּ֥ח עַל־ חָמֵ֖ץ דַּם־ זִבְחִ֑י
NAS: of My sacrifice with leavened bread; nor
KJV: of my sacrifice with leavened bread; neither shall the fat
INT: offer with leavened the blood of my sacrifice

Exodus 34:25
HEB: תִשְׁחַ֥ט עַל־ חָמֵ֖ץ דַּם־ זִבְחִ֑י
NAS: of My sacrifice with leavened bread, nor
KJV: of my sacrifice with leaven; neither shall the sacrifice
INT: offer with leavened the blood of my sacrifice

Leviticus 2:11
HEB: לֹ֥א תֵעָשֶׂ֖ה חָמֵ֑ץ כִּ֤י כָל־
NAS: shall be made with leaven, for you shall not offer up in smoke
KJV: shall be made with leaven: for ye shall burn
INT: not shall be made leaven or any

Leviticus 6:17
HEB: לֹ֤א תֵאָפֶה֙ חָמֵ֔ץ חֶלְקָ֛ם נָתַ֥תִּי
NAS: It shall not be baked with leaven. I have given
KJV: It shall not be baken with leaven. I have given
INT: not shall not be baked leaven as their share have given

Leviticus 7:13
HEB: חַלֹּת֙ לֶ֣חֶם חָמֵ֔ץ יַקְרִ֖יב קָרְבָּנ֑וֹ
NAS: with cakes of leavened bread.
KJV: [for] his offering leavened bread
INT: cakes bread of leavened shall present his offering

Leviticus 23:17
HEB: סֹ֣לֶת תִּהְיֶ֔ינָה חָמֵ֖ץ תֵּאָפֶ֑ינָה בִּכּוּרִ֖ים
NAS: baked with leaven as first fruits
KJV: they shall be baken with leaven; [they are] the firstfruits
INT: A fine become leaven baked first

Deuteronomy 16:3
HEB: תֹאכַ֤ל עָלָיו֙ חָמֵ֔ץ שִׁבְעַ֥ת יָמִ֛ים
NAS: You shall not eat leavened bread with it; seven
KJV: Thou shalt eat no leavened bread with it; seven
INT: eat and leavened seven days

Amos 4:5
HEB: וְקַטֵּ֤ר מֵֽחָמֵץ֙ תּוֹדָ֔ה וְקִרְא֥וּ
NAS: a thank offering also from that which is leavened, And proclaim
KJV: a sacrifice of thanksgiving with leaven, and proclaim
INT: Offer which A thank and proclaim

13 Occurrences

Strong's Hebrew 2557
13 Occurrences


ḥā·mêṣ — 10 Occ.
maḥ·me·ṣeṯ — 2 Occ.
mê·ḥā·mêṣ — 1 Occ.

2556c
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