ἀπο-λούω : to wash off or away; in the N. T. twice in 1 aor. mid. figuratively [cf. Philo de mut. nom. § 6, i. p. 585 ed. Mang.]: ἀπελούσασθε, 1 Co. vi. 11; βάπτισαι καὶ ἀπύλουσαι τὰς ἁμαρτίας σου, Acts xxii. 16. For the sinner is unclean, polluted as it were by the filth of his sins. Whoever obtains remission of sins has his sins put, so to speak, out of God’s sight, —is cleansed from them in the sight of God. Remission is [represented as] obtained by undergoing baptism; hence those who have gone down into the baptismal bath [/avacrum, ef. Tit. iii, 5; Eph. v. 26] are said ἀπολούσασθαι to have washed themselves, or tas ἅμαρτ. ἀπολούσασθαι to have washed away their sins, i.e.to have been cleansed from their sins.

ἀπολούω apolouō 2x

to cleanse by bathing; mid. to cleanse one’s self; to procure one’s self to be cleansed; met., of sin, Acts 22:16; 1 Cor. 6:11*

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.†

ἀπολούω (apolouō) — to wash off. ἀπο-λούω,

I. with accusative of things, wash off, λούειν ἄπο βρότον[Refs 8th c.BC+] —middle, ὄφρ᾽.. ἅλμην ὤμοιϊν ἀπολούσομαι that I may wash the brine from off my shoulders, [Refs 8th c.BC+]; of baptism, ἀ. τὰς ἁμαρτίας[NT]

I.2. with accusative person, wash clean, [Refs 5th c.BC+]:—middle, wash away from oneself, λούσασθαι ἄπο βρότον αἱματόεντα[Refs 8th c.BC+]: in archaic style, ἀπολούμενος[Refs 2nd c.AD+]

I.3. with accusative person et of things, ὄφρα τάχιστα Πάτροκλον λούσειαν ἄπο βρότον might wash the gore off him, [Refs 8th c.BC+]

I.4. ἀπολουσέμεναι· κολ[λ]οβώσειν [Refs 5th c.AD+]; compare ἀπολέπω.