ferveo

Etymology
From, from earlier *ferwejō, from. Cognate with 🇨🇬, 🇨🇬, 🇨🇬, 🇨🇬,, per De Vaan citing Schrijver.

Verb

 * 1) to be hot
 * 2) to burn
 * 3) to boil; seethe, foam
 * 4)  to come or swarm forth in great numbers
 * 5)  to be inflamed, agitated or fired up