bane
1. bane \'ba-n\ n [ME, fr. OE bana; akin to OHG bano death, Av banta ill] obs 1a: MURDERER, SLAYER 1b: POISON 1c: DEATH, DESTRUCTION 1d: WOE 2: a source of harm or ruin : CURSE 2. bane vt obs : to kill esp. with poison 3. bane n [ME (northern dial.) ban, fr. OE ba-n] chiefly Scot : BONE