English
fervor
Fervor comes from Latin fervor ‘a boiling or raging heat, heat, vehemence,…’, from ferveō ‘to boil, be hot’, and ultimately from Proto-Indo-European *bʰrewh₁-.
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰrewh₁-‘to boil’reconstructed
- Proto-Italicc. 1500–700 BCE*ferwejōreconstructed
- Proto-Italic, derivedc. 1500–700 BCE*ferweōreconstructed
- Latinc. 75 BCE–200 CEferveōas fervere‘to boil, be hot’
- Latin, derivedc. 75 BCE–200 CEfervor‘a boiling or raging heat, heat, vehemence, passion’
- Middle Englishc. 1150–1500fervour
- Englishtodayfervor
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰrewh₁-‘to boil’reconstructed
- Proto-Italicc. 1500–700 BCE*ferwejōreconstructed
- Proto-Italic, derivedc. 1500–700 BCE*ferweōreconstructed
- Latinc. 75 BCE–200 CEferveōas fervere‘to boil, be hot’
- Latin, derivedc. 75 BCE–200 CEfervor‘a boiling or raging heat, heat, vehemence, passion’
- Middle Englishc. 1150–1500fervour
- Englishtodayfervor
Equivalent to fervere + -or ‘abstract noun suffix’
Linked words
through Proto-Indo-European *bʰrewh₁- ‘to boil’
brand, burn, bread, purple, brew, bourbon, broth, bourne, brunt, brim, bren, broil, briny, porphyry, purpura, 39 more
through Proto-Italic *ferweō
through Latin ferveō ‘to boil, be hot’
Today it means
noun An intense, heated emotion; passion, ardor.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *bʰrewh₁- / fervor