The story
- Proto-Indo-European*ḱe?
- Proto-Indo-European*ḱóm
- Proto-Italic*kom
- Proto-Italic*kom-
- Latincon-
- Latinco-
- Englishco-
- Proto-Indo-European*h₂ewg-
- Proto-Indo-European*h₂owg-éye-ti
- Proto-Italic*augejō
- Proto-Italic*augeō
- Latinaugeō
- Latinauctor
- Anglo-Normanautour
- Middle Englishauctour
- Englishauthor
- Proto-Germanic*skapjaną
- Englishauthorship
- English todaycoauthorship
From co- + authorship.
Etymology from Wiktionary, CC BY-SA 4.0.