dereliction (n.)youdaoicibaDictYouDict[dereliction 词源字典]
1590s, "abandonment" (formerly with a wider range than in modern use, such as of the sea withdrawing from the land), from Latin derelictionem (nominative derelictio), noun of action from past participle stem of derelinquere (see derelict). Meaning "failure in duty" is from c. 1830.[dereliction etymology, dereliction origin, 英语词源]