2328. thermainó
Lexical Summary
thermainó: To warm, to heat

Original Word: θερμαίνω
Part of Speech: Verb
Transliteration: thermainó
Pronunciation: ther-MY-no
Phonetic Spelling: (ther-mah'-ee-no)
KJV: (be) warm(-ed, self)
NASB: warming, warmed
Word Origin: [from G2329 (θέρμη - heat)]

1. to heat (oneself)

Strong's Exhaustive Concordance
to warm

From therme; to heat (oneself) -- (be) warm(-ed, self).

see GREEK therme

NAS Exhaustive Concordance
Word Origin
from thermos (hot); from the same as theros
Definition
to warm
NASB Translation
warmed (1), warming (5).

Thayer's Greek Lexicon
STRONGS NT 2328: θερμαίνω

θερμαίνω: middle, present θερμαίνομαι; imperfect ἐθερμαινομην; (θερμός); from Homer down; to make warm, to heat; middle to warm oneself: Mark 14:54, 67; John 18:18, 25; James 2:16.

Topical Lexicon
Backdrop of Everyday Life

In the cool evenings of Palestine, charcoal braziers were common features of open courtyards, guard posts, and village homes. The verb 2328 pictures this ordinary act of holding one’s hands toward the coals, seeking comfort in an otherwise chilly climate. Its six New Testament occurrences preserve a vivid snapshot of flickering firesides, yet each scene carries spiritual weight far beyond simple warmth.

Peter at the High Priest’s Fire (Mark 14:54; Mark 14:67; John 18:18; John 18:25)

The Synoptic and Johannine records unite around a single charcoal blaze. Peter, having followed the arrested Jesus “at a distance,” sits with the servants and officers, “warming himself at the fire” (Mark 14:54). John adds—using 2328 twice—that “the servants and officers were standing around a charcoal fire they had made, because it was cold… and Peter was standing with them, warming himself” (John 18:18).

1. A place of comfort that became a place of compromise. The warmth of the world’s courtyard contrasts sharply with Peter’s cooling loyalty. Moments after drawing close to the Lord in Gethsemane, he now draws close to those who mock Him.
2. An ironic fulfillment of Christ’s prophecy. While Peter seeks bodily heat, his heart grows cold enough to deny the Master three times, a reality underscored by the repeated use of 2328 in the narrative.
3. A pastoral warning. Followers of Christ must guard against “warming” themselves at fires kindled by hostile culture, lest the ease of acceptance dull courageous witness.

Empty Words versus Active Compassion (James 2:16)

James thrusts 2328 into the arena of practical righteousness: “If one of you tells him, ‘Go in peace; stay warm and well fed,’ but does nothing for his physical needs, what good is that?” (James 2:16). The warming here is aspirational—an offered wish with no accompanying deed.

1. Faith verified by works. Merely voicing a prayer for someone’s warmth is no substitute for providing the cloak or the coal.
2. Integration of body and soul. Scripture treats material aid as inseparable from spiritual care; authentic faith kindles tangible warmth in another’s life.
3. Ministry application. Church benevolence, missions, and personal hospitality flow from a heart that refuses to let others shiver while resources remain unused.

Thematic Threads

• Physical warmth mirrors spiritual reality. Peter’s chilled soul and the believer’s living faith both find metaphorical commentary through the same verb.

• Fireside fellowship can be holy or hazardous. A blaze may unite servants of the High Priest against Christ, or it may gather apostles in post-resurrection joy around the Sea of Tiberias (John 21:9, with a different term yet a related scene). The company one keeps around the coals shapes testimony.

• Compassion is concrete. James harnesses the everyday courtesy of wishing warmth to condemn a faith that stops at polite sentiment.

Historical Resonance

First-century courtyards typically contained a stone hearth or portable brazier. Roman guards and Jewish servants alike relied on glowing charcoal during night watches. The evangelists’ precise mention of the practice roots the passion narrative in cold springtime air during Passover, highlighting the realism of the Gospel accounts.

Ministry Significance

1. Personal discipleship: Examine the fires that attract your comfort—are they drawing you toward or away from steadfast allegiance to Christ?
2. Congregational care: Assess whether the church’s words of blessing are matched by deeds that “distribute to the needs of the saints” (Romans 12:13).
3. Evangelistic authenticity: A warmed hand and a warmed heart testify together; practical kindness adorns the gospel.

Summary

Strong’s Greek 2328, though rare, illuminates pivotal moments: Peter’s denial and James’s demand for active love. Whether warning against the peril of worldly fires or urging believers to move from kind words to kind deeds, the term calls the church to a faith that is as warm in action as it is in confession.

Forms and Transliterations
εθερμαίνετο εθερμαινοντο εθερμαίνοντο ἐθερμαίνοντο εθερμάνθη εθερμάνθην εθερμάνθησαν εθερμάνθητε θερμαινεσθε θερμαίνεσθε θερμαινομενον θερμαινόμενον θερμαινομενος θερμαινόμενος θερμανθείς θερμανθή θερμανθήσεται θερμασία θερμαστρείς ethermainonto ethermaínonto thermainesthe thermaínesthe thermainomenon thermainómenon thermainomenos thermainómenos
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Englishman's Concordance
Mark 14:54 V-PPM-NMS
GRK: ὑπηρετῶν καὶ θερμαινόμενος πρὸς τὸ
NAS: with the officers and warming himself at the fire.
KJV: and warmed himself at
INT: officers and warming himself at the

Mark 14:67 V-PPM-AMS
GRK: τὸν Πέτρον θερμαινόμενον ἐμβλέψασα αὐτῷ
NAS: Peter warming himself, she looked
KJV: Peter warming himself, she looked
INT: Peter warming himself having looked at him

John 18:18 V-IIM/P-3P
GRK: ἦν καὶ ἐθερμαίνοντο ἦν δὲ
NAS: for it was cold and they were warming themselves; and Peter
KJV: and they warmed themselves: and
INT: it was and were warming themselves was moreover

John 18:18 V-PPM-NMS
GRK: ἑστὼς καὶ θερμαινόμενος
NAS: with them, standing and warming himself.
KJV: them, and warmed himself.
INT: standing and warming himself

John 18:25 V-PPM-NMS
GRK: ἑστὼς καὶ θερμαινόμενος εἶπον οὖν
NAS: was standing and warming himself. So
KJV: and warmed himself. They said
INT: standing and warming himself They said therefore

James 2:16 V-PMM/P-2P
GRK: ἐν εἰρήνῃ θερμαίνεσθε καὶ χορτάζεσθε
NAS: in peace, be warmed and be filled,
KJV: in peace, be [ye] warmed and filled;
INT: in peace be warmed and be filled

Strong's Greek 2328
6 Occurrences


ἐθερμαίνοντο — 1 Occ.
θερμαίνεσθε — 1 Occ.
θερμαινόμενον — 1 Occ.
θερμαινόμενος — 3 Occ.

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