Dictionary entry

ἀτμίς

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἀτμίς, -ίδος, ἡ,

[in LXX for עָנָן, תִּימָרָה, etc.;]

vapour: Ja 4:14; ἀ. καπνοῦ, Ac 2:19^(LXX).†