The story
- Proto-Indo-European*gʰer-
- Proto-Germanic*grautaz
- Proto-West Germanic*graut
- Old Englishgrēat
- Middle Englishgrete
- Englishgreat
- Proto-Germanic*kuttô
- Latincotta
- Old Frenchcotte
- Middle Englishcote
- Englishcoat
- English todaygreatcoat
Etymology from Wiktionary, CC BY-SA 4.0.