The story
- Latinradius
- Englishradio-
- Ancient Greekτόξον (tóxon)
- Ancient Greekτοξῐκός (toxĭkós)
- Ancient Greekτοξικόν (toxikón)
- Latintoxicum
- Latintoxicu
- Frenchtoxique
- Englishtoxic
- Englishradiotoxic
- English todayradiotoxicity
From radiotoxic + -ity.
Etymology from Wiktionary, CC BY-SA 4.0.