The story
- Proto-Italic*wre-
- Latinre-
- Latinretrō
- Englishretro-
- Englishperitoneo-
- Proto-Indo-European*speḱ-
- Proto-Indo-European*spéḱyeti
- Proto-Hellenic*sképt͏̌omai
- Ancient Greekσκέπτομαι (sképtomai)
- Ancient Greekσκοπός (skopós)
- Ancient Greekσκοπέω (skopéō)
- English todayretroperitoneoscopic
From retro- + peritoneo- + -scopic.
Etymology from Wiktionary, CC BY-SA 4.0.