The story
- Englishdown-
- Proto-Indo-European*h₁reyp-
- Proto-Indo-European*h₁réyp-eh₂
- Proto-Italic*reipā
- Latinrīpa
- Latinrīpārius
- Early Medieval Latinrīpāria
- Anglo-Normanriviere
- Middle Englishryver
- Englishriver
- English todaydownriver
Etymology from Wiktionary, CC BY-SA 4.0.