The story
- Proto-Indo-European*weyḱ-
- Proto-Indo-European*wóyḱos
- Proto-Hellenic*wóikos
- Ancient Greekϝοῖκος (woîkos)
- Ancient Greekοἶκος (oîkos)
- Latinoeco-
- Frenchéco-
- Englisheco-
- Frenchtoxicologie
- Englishtoxicology
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishtoxicological
- English todayecotoxicological
From eco- + toxicological.
Etymology from Wiktionary, CC BY-SA 4.0.