Pyrrhonic (adj.)youdaoicibaDictYouDict[Pyrrhonic 词源字典]
1590s, "pertaining to Pyrrho" (c. 360-c. 275 B.C.E.), skeptic philosopher of Elis, who held the impossibility of attaining certainty of knowledge. Related: Pyrrhonism; Pyrrhonist.[Pyrrhonic etymology, Pyrrhonic origin, 英语词源]