νίπτω, late form of νίζω,
[in LXX chiefly for רחץ;]
to wash, usually of a part of the body: c. acc. pers., Jo 13:8; τ. πόδας, Jo 13:5, 6, 8, 12, 14, I Ti 5:10; mid., reflexive, to wash oneself: Jo 9:7, 11, 15; τ. χεῖρας, Mt 15:2, Mk 7:3; τ. πόδας, Jo 13:10; τ. πρόσωπον, Mt 6:17 (in cl. Att. prose, used only in compounds; cf. ἀπο-νίπτω).†
SYN.: λούω (q.v.), πλύνω.