advowtry/ədˈvaʊtɹi/EtymologyFrom Middle English avoutrie, from Old French avouterie, variant (perhaps influenced by vout, vut (“vow”)) of aouterie, aolterie, from Late Latin adulterium. Doublet of adultery, which replaced it in modern English.advowtry means adultery. Lexicurio rates it Sui generis — a strength score of 87 out of 100.nounadultery“Then he turned to me and said, "O mortal, we have it in our law that, when the wife committeth advowtry it is lawful for us to slay her."”