The story
- Proto-Italic*wre-
- Latinre-
- Old Frenchre-
- Middle Englishre-
- Englishre-
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Latinhaereō
- Latinadhaereō
- Middle English*adheren
- Englishadhere
- English todayreadhere
Etymology from Wiktionary, CC BY-SA 4.0.