ETYM Old Fren. envios, French envieux, from Latin invidiosus, from invidia envy. Related to Envy, Invidious.
1. Feeling or exhibiting envy; actuated or directed by, or proceeding from, envy; -- said of a person, disposition, feeling, act.
2. Inspiring envy.

ETYM Old Eng. jalous, gelus, Old Fren. jalous, French jaloux, Late Lat. zelosus zealous, from zelus emulation, zeal, jealousy, Greek zelos. Related to Zeal, Zealous.
Suspicious or unduly suspicious or fearful of being displaced by a rival; SYN. green-eyed, overjealous.