πλύνω G4150
plýnō · ploo'-no · Verb
a prolonged form of an obsolete (to "flow"); to "plunge", i.e. launder clothing:--wash. Compare λούω, νίπτω.
1 Occurrence in the King James Bible
Revelation 7:14And I said unto him, Sir, thou knowest. And he said to me, These are they which came out of great tribulation, and have washed their robes, and made them white in the blood of the Lamb.