The story
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Latinhaereō
- Latinadhaereō
- Latinadhaerēns
- Medieval Latinadhaerentia
- Middle Frenchadhérence
- English todayadherence
From Middle French adhérence, from Latin adhærentia.
Etymology from Wiktionary, CC BY-SA 4.0.