The story
- Proto-Indo-European*kʷetwṓr
- Proto-Germanic*fedwōr
- Proto-West Germanic*feuwar
- Old Englishfēower
- Middle Englishfour
- Englishfour
- Proto-Indo-European*sem-
- Proto-Indo-European*somHós
- Proto-Germanic*samaz
- English todayfoursome
Etymology from Wiktionary, CC BY-SA 4.0.