Strong's G2586 · Greek

καπνός

kapnos · kap-nos'

of uncertain affinity; smoke

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 13 καπνός , -οῦ, ὁ , [in LXX for עָשָׁן ;] smoke : Re 8:4 9:2 , 3 , 17 , 18 14:11 15:8 18:9 , 18 19:3 ; ἀτμὶς καπνοῦ , Ac 2:19 (LXX) .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain