Where does “tritium” come from?

Tritium comes from English -ium, Latin -um, Ancient Greek τρεῖς meaning "three," Proto-Hellenic tréyes, and Proto-Indo-European tréyes with the agent suffix -ós.

tritium (English): A radioactive isotope of the element hydrogen (symbol T, 3H or) having one proton and two neutrons

Definitions

  1. A radioactive isotope of the element hydrogen (symbol T, 3H or) having one proton and two neutrons

Ancestry of “tritium”, step by step

tritium traces back through two separate lines of ancestry.

via Ancient Greek τρίτος

StepLanguageWordMeaning
1Ancient Greekτρίτοςthird
2Ancient Greekτρι-tri-
3Ancient Greekτρεῖςthree
4Proto-Hellenictréyesthree
5Proto-Indo-European*tréyes

via New Latin tritium

StepLanguageWordMeaning
1New Latintritium

Words derived from “tritium

Every word from Proto-Indo-European *tréyesEvery word from Proto-Hellenic tréyesEvery word from Ancient Greek τρεῖς