The story
- Proto-Italic*wre-
- Latinre-
- Proto-Indo-European*nu
- Proto-Indo-European*néwos
- Proto-Indo-European*néweh₂ti
- Proto-Italic*nowāō
- Latinnovō
- Latinrenovō
- Latinrenovātiō, renovātiōnem
- Middle Frenchrenovation
- Latinrenovātiō, renovātiōnem
- Middle Englishrenovacion
- English todayrenovation
From Middle English renovacion, renovacyoun, from Middle French renovation and its etymon, Latin renovātiō. By surface analysis, renovate + -ion.
Etymology from Wiktionary, CC BY-SA 4.0.