Meaning

noun an accusation that you are responsible for some lapse or misdeed

noun a reproach for some lapse or misdeed

verb put or pin the blame on

originFrom Middle English blamen, borrowed from Old French blasmer, from Late Latin blasphēmāre (“to reproach, to revile”), from Ancient Greek βλασφημέω (blasphēméō). Compare blaspheme, a doublet. Overtook common use from the native wite (“to blame, accuse, reproach, suspect”) (from Middle English wīten, from Old English wītan).

Etymology from Wiktionary, CC BY-SA 3.0