The story
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Proto-Italic*aikʷos?
- Old Latinaiquos
- Latinaequus
- Latinaequō
- Latinadaequō
- Latinadaequātu
- Englishadequate
- Proto-Indo-European*leyg-
- Proto-Germanic*līką
- English todayadequately
Etymology from Wiktionary, CC BY-SA 4.0.