The story
- Proto-Italic*wre-
- Latinre-
- Old Frenchre-
- Middle Englishre-
- Englishre-
- Proto-Indo-European*bew-der.?
- Proto-Indo-European*bʰel-der.?
- Latinbulla
- Latinbulliō
- Old Frenchboillir
- Middle Englishboillen
- Englishboil
- English todayreboil
Etymology from Wiktionary, CC BY-SA 4.0.