to make holy, purify, set free from guilt by offerings , Lat. expiate, (Euripides):—;Mid., στόμα ὁσιοῦσθαι to keep one's tongue pure , not to speak profanely, (Euripides):—;Pass. to be purified , (Plutarch) (ML)
STRONG'S WORD STUDY
G8559 — ὁσιόω
hosioō · to purify · Greek