- jasper (n.)
- precious stone, c. 1300, from Anglo-French jaspre, Old French jaspre, jaspe, from Latin iaspidem (nominative iaspis), from Greek iaspis "jasper," via an Oriental language (compare Hebrew yashpeh, Akkadian yashupu).
- Jasper
- masc. proper name, English form of Caspar or of Gaspar, the traditional name of one of the Three Kings. Said by Klein to be of Persian origin and meaning literally "treasure-holder." Used from 1896 for "a rustic simpleton."