2A foolish pedant or would-be philosopher; = morosophist.
Origin
Late 17th century; earliest use found in Thomas Urquhart (1611–1660), author and translator. From Middle French morosophe wise fool (Rabelais, 1546) from post-classical Latin morosophus wise fool from Hellenistic Greek μωρόσοϕος foolishly wise, wise fool (2nd cent. a.d.) from ancient Greek μωρός foolish + σοϕός wise. Cf earlier morosophist.