Where does “tergeminous” come from?

tergeminous (English) comes from Latin tergeminus, from Latin ter, from Latin terr, from Old Latin tris, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

tergeminous (English): threefold

Definitions

  1. threefold

Ancestry of “tergeminous”, step by step

StepLanguageWordMeaning
1Latintergeminustriplet
2Latinterthrice
3Latinterr—
4Old Latintris—
5Proto-Italictrēsthree
6Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Old Latin tris →