Word Origin & History
c.1300, from Anglo-Fr. jaspre, from O.Fr. jaspe, from L. iaspidem (nom. iaspis), from Gk. iaspis "jasper," via an Oriental language (cf. Heb. yashpeh, Akkad. yashupu), ult. from Pers. yashp.
masc. proper name, Eng. form of Caspar or of Gaspar, the traditional name of one of the Three Kings. Used from 1896 for "a rustic simpleton."