Where does “mettertia” come from?

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

Ancestry of “mettertia”, step by step

StepLanguageWordMeaning
1Latintertianominative feminine singular of tertius;...
2Latintertiusthird, the ordinal number after secundus and...
3Latintrēsthree; 3
4Proto-Italictrēsthree
5Proto-Indo-European*tréyes—
Every word from Proto-Indo-European *tréyes →Every word from Proto-Italic trēs →Every word from Latin trēs →
mettertia — Etymology, Origin & Word History | Etymology Explorer