The story
- Proto-Indo-European*negʷʰrós
- Proto-Hellenic*nekʷʰrós
- Ancient Greekνεφρός (nephrós)
- Englishnephro-
- Ancient Greekτόξον (tóxon)
- Ancient Greekτοξῐκός (toxĭkós)
- Ancient Greekτοξικόν (toxikón)
- Latintoxicum
- Latintoxicu
- Frenchtoxique
- Englishtoxic
- English todaynephrotoxic
Etymology from Wiktionary, CC BY-SA 4.0.