ecbatic (adj.)youdaoicibaDictYouDict[ecbatic 词源字典]
"drawn from the relationship of cause and effect," especially of arguments, 1836, from ecbasis, from Latin ecbasis, from Greek ekbasis "a going out, issue, event," from ek- "out" (see ex-) + basis "a step, a base," from bainein "to go, step" (see come).[ecbatic etymology, ecbatic origin, 英语词源]