Fervor

·noun Heat; excessive warmth.

II. Fervor ·noun Intensity of feeling or expression; glowing ardor; passion; holy zeal; earnestness.

fervor
fervor, ōris, m. [ferveo], a boiling or raging heat, a violent heat, a raging, boiling, fermenting (...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
fervor
fervor ōris, m FVR-, a boiling heat, violent heat, raging, boiling, fermenting : mundi: maris: med...

An Elementary Latin Dictionary