Webster's Revised Unabridged Dictionary · 1913

Fervor

Fervor , noun

[Old French fervor, fervour, French ferveur, Latin fervor, from fervere. See Fervent.]

1.
Heat; excessive warmth.
The fevor of ensuing day. — Waller
2.
Intensity of feeling or expression; glowing ardor; passion; holy zeal; earnestness. — Hooker
Winged with fervor of her love. — Shakespeare