5475. chalkos
Lexical Summary
chalkos: Bronze, brass, copper

Original Word: χαλκός
Part of Speech: Noun, Masculine
Transliteration: chalkos
Pronunciation: khal-KOS
Phonetic Spelling: (khal-kos')
KJV: brass, money
NASB: money, bronze, copper, gong
Word Origin: [perhaps from G5465 (χαλάω - let down) through the idea of hollowing out as a vessel (this metal being chiefly used for that purpose)]

1. copper (the substance, or some implement or coin made of it)

Strong's Exhaustive Concordance
money, copper or bronze

Perhaps from chalao through the idea of hollowing out as a vessel (this metal being chiefly used for that purpose); copper (the substance, or some implement or coin made of it) -- brass, money.

see GREEK chalao

NAS Exhaustive Concordance
Word Origin
a prim. word
Definition
copper or bronze
NASB Translation
bronze (1), copper (1), gong (1), money (2).

Thayer's Greek Lexicon
STRONGS NT 5475: χαλκός

χαλκός, χαλκοῦ, , from Homer down, the Sept. for נְחֹשֶׁת, brass: 1 Corinthians 13:1; Revelation 18:12; (like the Latinaes) what is made of brass, money, coins of brass (also of silver and of gold), Matthew 10:9; Mark 6:8; Mark 12:41. (B. D., under the word Brass; Dict. of Antiq., under the wordaes.)

Topical Lexicon
Physical and Economic Importance of Copper and Bronze in the Biblical World

Copper and its alloys (commonly called bronze or brass in older English versions) were indispensable metals in the ancient Near East. Easier to smelt than iron and resistant to corrosion, copper provided fittings for the tabernacle, musical instruments, coins, mirrors, weapons, and works of art. Because the metal was relatively plentiful yet valuable, it often functioned as small-change currency, a fact reflected in several New Testament scenes where chalkos appears in a monetary context.

Summary of New Testament Occurrences

1. Matthew 10:9
2. Mark 6:8
3. Mark 12:41
4. 1 Corinthians 13:1
5. Revelation 18:12

These five passages distribute the word across Gospel instruction, temple observation, apostolic exhortation, and apocalyptic prophecy, showing diverse theological applications built upon a single everyday material.

Dependence on God vs. Monetary Reserves (Matthew 10:9; Mark 6:8)

“Do not carry any gold or silver or copper in your belts.” (Matthew 10:9)

In sending the Twelve, Jesus deliberately removed the normal financial safety net. Copper coins—least valuable of the listed metals—stand for all material resources. By traveling without them, the disciples demonstrated the sufficiency of divine provision and the integrity of the message. Mark 6:8 repeats the same ban: “no money in their belts,” reinforcing the principle that gospel ministry is not to be confused with commercial enterprise. The instruction does not forbid responsible planning in every circumstance (compare Luke 22:35–36), but it permanently establishes that reliance on funds or fundraising must never eclipse reliance on the One who owns “the cattle on a thousand hills” (Psalm 50:10).

Worship and Stewardship in the Temple (Mark 12:41)

“Jesus sat down opposite the treasury and watched the crowd putting money into it. Many rich people put in large amounts.” (Mark 12:41)

Temple receptacles were made of bronze and received copper coinage. The Lord’s gaze penetrated beyond the metallic clink to the hearts behind each gift. He commends the poor widow’s two “lepta” (a pair of tiny chalkoi, Mark 12:42) because sacrificial devotion measures value differently from market exchange. The passage challenges all generations to give not by surplus but by surrender, trusting God who “sees in secret” (Matthew 6:4).

Sound Without Substance (1 Corinthians 13:1)

“If I speak in the tongues of men and of angels, but do not have love, I am only a ringing gong or a clanging cymbal.”

The “ringing gong” (literally “resounding bronze”) evokes the hollow noise made by striking thin bronze plates used in pagan rites and certain Hellenistic theaters. Paul compares loveless eloquence—even supernatural utterance—to that empty din. Copper here serves as an acoustic metaphor: brilliant in resonance yet void of enduring worth. True spirituality must carry the weight of agapē, or it becomes a showy but worthless performance.

The Wealth of Babylon and Eschatological Judgment (Revelation 18:12)

The fall of end-time Babylon lists bronze alongside gold, silver, jewels, and fine fabrics. By the first century, copper production in Cyprus, Spain, and the Arabian Peninsula fueled Mediterranean commerce; Revelation records its final collapse. The inclusion of chalkos confirms the totality of the judgment: not merely luxury items but also everyday trade goods will fail those who trust in them. The scene warns believers to separate from a world-system destined for ruin and to invest in the imperishable kingdom.

Old Testament Background

Although chalkos itself is a New Testament term, bronze saturates Old Testament imagery. Key examples include:
• The bronze altar and utensils of the tabernacle (Exodus 27:1–3).
• The bronze serpent lifted by Moses (Numbers 21:9), later applied typologically to the cross (John 3:14–15).
• The twin bronze pillars Jachin and Boaz in Solomon’s temple (1 Kings 7:15–22).

In prophetic literature bronze often symbolizes strength or stubbornness (Jeremiah 1:18; Ezekiel 22:18). These antecedents enrich New Testament passages where chalkos functions either literally (coins, cargo) or figuratively (sound, strength).

Christological Foreshadows

Bronze in the courtyard altar signifies substitutionary judgment borne outside the holy place. Jesus’ instruction to travel without copper money anticipates His own poverty for our sake (2 Corinthians 8:9). The widow’s coppers foreshadow the costly self-giving of Christ. Even the noisy brass that profits nothing without love reminds the church that all gifts must mirror the sacrificial love of the Savior, or they lose their meaning.

Practical Ministry Insights

• Provision: Trust God’s supply—lack of visible funds is no excuse for withholding the gospel.
• Giving: Value is determined by sacrifice, not by amount; two copper coins may outweigh a thousand talents.
• Communication: Powerful speech devoid of love is spiritual noise.
• Separation: Do not envy or imitate the trading empire of this world; its copper and gold will soon rust in the dust.

Concluding Reflection

From missionary belts emptied of coins to the booming gong of loveless religion, from a widow’s humble offering to the doomed cargo of Babylon, chalkos traces a line that calls each believer to examine motives, measure wealth rightly, and anchor hope in the Lord who refines His people “as silver and gold are refined” (Zechariah 13:9), yet claims even the common copper for His glory.

Forms and Transliterations
χαλκον χαλκόν χαλκὸν χαλκος χαλκός χαλκὸς χαλκου χαλκού χαλκοῦ χαλκώ chalkon chalkón chalkòn chalkos chalkòs chalkou chalkoû
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Englishman's Concordance
Matthew 10:9 N-AMS
GRK: ἄργυρον μηδὲ χαλκὸν εἰς τὰς
NAS: or copper for your money belts,
KJV: silver, nor brass in your
INT: silver nor money in the

Mark 6:8 N-AMS
GRK: τὴν ζώνην χαλκόν
NAS: bag, no money in their belt--
KJV: bread, no money in [their] purse:
INT: the belt money

Mark 12:41 N-AMS
GRK: ὄχλος βάλλει χαλκὸν εἰς τὸ
NAS: were putting money into the treasury;
KJV: cast money into
INT: crowd cast money into the

1 Corinthians 13:1 N-NMS
GRK: ἔχω γέγονα χαλκὸς ἠχῶν ἢ
NAS: a noisy gong or
KJV: [as] sounding brass, or
INT: have I have become brass sounding or

Revelation 18:12 N-GMS
GRK: τιμιωτάτου καὶ χαλκοῦ καὶ σιδήρου
NAS: wood and bronze and iron
KJV: wood, and of brass, and iron,
INT: most precious and of brass and of iron

Strong's Greek 5475
5 Occurrences


χαλκὸν — 3 Occ.
χαλκὸς — 1 Occ.
χαλκοῦ — 1 Occ.

5474
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