livestock (n.)youdaoicibaDictYouDict[livestock 词源字典]
1520s, from live (adj.) + stock (n.2).[livestock etymology, livestock origin, 英语词源]
oblivescenceyoudaoicibaDictYouDict
"= obliviscence", Late 19th cent.; earliest use found in William James (1842–1910), philosopher and psychologist. Alteration of obliviscence after -escence.