Vodāyati [vi + ava + dā 4 to clean] to become clean or clear, to be purified or cleansed A V 169 (figurative saddhammassa), 317 (the same; explained by commentary as "vodānaṃ gacchati"); Ja II 418 (of a precious stone).
(pr, pr) becomes clean; becomes pure Construction: vi + ava + dāya + ti