[neph.ew] n [ME nevew, fr. OF neveu, fr. L nepot-, nepos grandson, nephew; akin to OE nefa grandson, nephew, Skt napat grandson] (14c) 1 a: a son of one's brother or sister or of one's brother-in-law or sister-in-law b: an illegitimate son of an ecclesiastic
2. obs: a lineal descendant; esp: grandson