The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Englishsub-
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Indo-European*pro-
- Proto-Italic*pro-
- Latinprō-
- Proto-Indo-European*(H)yeh₁-
- Proto-Indo-European*(H)yéh₁kt ~ *(H)ih₁ként
- Latiniaciō
- Latinprōiciō
- Latinprōiectus
- Englishproject
- English todaysubproject
Etymology from Wiktionary, CC BY-SA 4.0.