"aconite" (especially Aconitum lycoctonum), a somewhat poisonous plant, 1540s, from wolf + bane; a translation of Latin lycoctonum, from Greek lykotonon, from lykos "wolf" + base of kteinein "to kill." Also known dialectally as badger's bane, hare's bane, bear's bane.[wolfsbane etymology, wolfsbane origin, 英语词源]