The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁éǵʰs
- Proto-Italic*eks
- Latinex
- Latinex-
- Proto-Indo-European*deh₃-redup.
- Proto-Indo-European*dédeh₃ti
- Proto-Italic*didō
- Latindō
- Latinēdō
- Medieval Latinēditor
- Englisheditor
- English todaysubeditor
Etymology from Wiktionary, CC BY-SA 4.0.