Abbott-Smith Manual Greek Lexicon
ἀπο-λούω (G628)
2 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 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain