Strong’s Greek
G4150 — pluno
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
πλύνω
pluno — pronounced ploo'-no
a prolonged form of an obsolete pluo (to "flow"); to "plunge", i.e. launder clothing:--wash. Compare 3068, 3538. see GREEK for 3068 see GREEK for 3538
1 occurrence in the KJV.
Revelation 7:14
And 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.