Meaning

noun a cry of sorrow and grief

verb emit long loud cries

verb cry weakly or softly

originc. 1300, Middle English weilen, waylen (“to sob, cry, wail”), from Old Norse væla (“to wail”), from væ, vei (“woe”), from Proto-Germanic *wai (whence also Old English wā (“woe”) (English woe)), from Proto-Indo-European *wáy. The verb is first attested in the intransitive sense; the transitive sense developed in mid-14ᵗʰ c.. The noun came from the verb.

Etymology from Wiktionary, CC BY-SA 3.0