The story
- Proto-Indo-European*né
- Proto-Indo-European*n̥-
- Proto-Germanic*un-
- Proto-West Germanic*un-
- Old Englishun-
- Middle Englishun-
- Englishun-
- Proto-Indo-European*gʰrem-
- Proto-Germanic*grunduz
- Proto-West Germanic*grundu
- Old Englishgrund
- Middle Englishground
- Englishground
- English todayunground
Etymology from Wiktionary, CC BY-SA 4.0.