Webster’s Revised Unabridged Dictionary · 1913
Jealousy
Jeal′ous·y (·y̆), n.; pl. Jealousies (#). [ F. jalousie. See Jealous, and cf. Jalousie.] The quality of being jealous; earnest concern or solicitude; painful apprehension of rivalship in cases nearly affecting one's happiness; painful suspicion of the faithfulness of husband, wife, or lover.
I was jealous for jealousy. Zech. viii. 2.
Jealousy is the . . . apprehension of superiority. Shenstone.
Whoever had qualities to alarm our jealousy, had excellence to deserve our fondness. Rambler.