pedant
n.
1580s, "schoolmaster," from Middle French pédant (1560s) or directly from Italian pedante, literally "teacher, schoolmaster," of uncertain origin, apparently an alteration of Late Latin paedagogantem (nominative paedagogans), present participle of paedagogare (see pedagogue). Meaning "person who trumpets minor points of learning" first recorded 1590s.
〔蒋〕[ped儿童,-ant表示人;’教儿童的人”] 迂腐的教师,学究,卖弄学问的人