Where does “tertium” come from?

tertium (Latin) comes from Latin tertius, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

tertium (Latin): nominative neuter singular of tertius

Definitions

  1. nominative neuter singular of tertius

Ancestry of “tertium”, step by step

StepLanguageWordMeaning
1Latintertiusthird, the ordinal number after secundus and...
2Latintrēsthree; 3
3Proto-Italictrēsthree
4Proto-Indo-European*tréyes
Every word from Proto-Indo-European *tréyes