The story
- Proto-Indo-European*h₁én
- Proto-Indo-European*h₁énteros
- Ancient Greekἔντερον (énteron)
- New Latinentero-
- Englishentero-
- Ancient Greekτόξον (tóxon)
- Ancient Greekτοξῐκός (toxĭkós)
- Ancient Greekτοξικόν (toxikón)
- Latintoxicum
- Englishtoxin
- English todayenterotoxin
Etymology from Wiktionary, CC BY-SA 4.0.