moriayoudaoicibaDictYouDict[moria 词源字典]
"Originally: impairment of the intellectual faculties; mental dullness or retardation. Later: inappropriate jocularity, as a sign of mental illness or neurological disease", Late 17th cent.; earliest use found in Blankaart's Physical Dictionary. From post-classical Latin moria folly, foolishness (Erasmus) from ancient Greek μωρία from μωρός, μῶρος foolish + -ία.[moria etymology, moria origin, 英语词源]