He opened the shaft of the abyss, and from the shaft rose smoke (kapnos | καπνός | nom sg masc) like the smoke (kapnos | καπνός | nom sg masc) of a giant furnace, and the sun and the air were darkened with smoke (kapnou | καπνοῦ | gen sg masc) from the shaft.
Reference
Revelation 9:2
Sequence
3