Where does “perfervidus” come from?

perfervidus (Latin) comes from Latin fervidus, from Latin ferveō, from Proto-Italic ferweō, from Proto-Indo-European bʰrewh₁-, from Proto-Indo-European bʰer- — to bear, carry.

Ancestry of “perfervidus”, step by step

StepLanguageWordMeaning
1Latinfervidusboiling, seething; glowing; boiling hot; fiery
2Latinferveōto be hot
3Proto-Italicferweō
4Proto-Indo-Europeanbʰrewh₁-to boil; to brew
5Proto-Indo-Europeanbʰer-to bear, carry

Words derived from “perfervidus

Every word from Proto-Indo-European bʰer-Every word from Proto-Indo-European bʰrewh₁-Every word from Proto-Italic ferweō