aporetic (adj.)youdaoicibaDictYouDict[aporetic 词源字典]
c. 1600, from French aporetique, from Greek aporetikos, from aporeein "to be at a loss," from aporos "impassable, impracticable, very difficult; hard to deal with; at a loss," from a-, privative prefix (see a- (3)), + poros "passage" (see pore (n.)).[aporetic etymology, aporetic origin, 英语词源]