n. 1 the cause of ruin or trouble; the curse (esp. the bane of one's life). 2 poet. ruin; woe. 3 archaic (except in comb.) poison (ratsbane). baneful adj. banefully adv.
[ OE bana f. Gmc ]
BANE
Meaning of BANE in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012