νίπτω late form of νίζω,
[in LXX chiefly for רָחַץ ;]
to wash, usually of a part of the body: with accusative of person(s), Jhn.13:8; τ. πόδας, Jhn.13:5-6, 8 13:12, 14, 1Ti.5:10; mid., reflexive,
to wash oneself: Jhn.9:7, 11 9:15; τ. χεῖρας, Mat.15:2, Mrk.7:3; τ. πόδας, Jhn.13:10; τ. πρόσωπον, Mat.6:17 (in cl. Att.. prose, used only in compounds; cf. ἀπο-νίπτω).†
νίζω, see: νίπτω
SYN.: λούω (which see), πλύνω (AS)