The story
- Proto-Indo-European*preHḱt- /*proHḱt-
- Proto-Indo-European*proHḱtós
- Proto-Hellenic[Term?]
- Ancient Greekπρωκτός (prōktós)
- Englishprocto-
- Ancient Greekσῖγμᾰ (sîgmă)
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- Ancient Greekσῑγμοειδής (sīgmoeidḗs)
- Englishsigmoid
- Proto-Indo-European*speḱ-
- Proto-Indo-European*spéḱyeti
- Proto-Hellenic*sképt͏̌omai
- Ancient Greekσκέπτομαι (sképtomai)
- Ancient Greekσκοπός (skopós)
- Ancient Greekσκοπέω (skopéō)
- Englishsigmoidoscopy
- English todayproctosigmoidoscopy
From procto- + sigmoidoscopy.
Etymology from Wiktionary, CC BY-SA 4.0.