Emily Dickinson Lexicon

jealous, adj. [OFr gelos < L. < Gk 'emulation, zeal, jealousy'.] (webplay: God, good, loves).

1. Envious; begrudging of superior qualities in others; desirous to obtain for oneself another's advantageous blessings; resentful towards another on account of suspected rivalry; troubled by the suspicion that the good which one wants to gain for oneself may be diverted to another.
2. Possessive; committed to mutual faithfulness; having a love that demands loyalty and priority of the beloved; [Biblical Hebrew quannah] sensitive; tender; having deep feelings; (see Exodus 20:3-5, 34:14).