Dictionary entry

ἀπολούω

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

ἀπο-λούω,

[in LXX: Jb 9:30 (רחץ)*;]

to wash off, wash away; mid., metaph., c. acc. rei, to wash off oneself: ἁμαρτίας, Ac 22:16; absol., ἀπελούσασθε, ye washed yourselves clean (cf. Cremer, 406), I Co 6:11.†