Where does “tertiolus” come from?

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

Ancestry of “tertiolus”, step by step

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

Words derived from “tertiolus”

Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →