arid (adj.)youdaoicibaDictYouDict[arid 词源字典]
1650s, "dry, parched," from French aride (15c.) or directly from Latin aridus "dry, arid, parched," from arere "to be dry," from PIE root *as- "to burn, glow" (see ash (n.1)). Figurative sense of "uninteresting" is from 1827. Related: Aridly.[arid etymology, arid origin, 英语词源]