The story
- Proto-Indo-European*h₁én
- Proto-Italic*en
- Proto-Italic*en-
- Latinin-
- Old Frenchen-
- Middle Englishen-
- Englishen-
- Proto-Indo-European*(s)kewH-?
- Proto-Indo-European*ḱewh₁-
- Proto-Indo-European*ḱuh₁éyeti
- Ancient Greekκῠ́ω (kŭ́ō)?
- Ancient Greekκύστις (kústis)
- Late Latincystis
- Englishcyst
- English todayencyst
Etymology from Wiktionary, CC BY-SA 4.0.