Where does “tertiaire” come from?

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

tertiaire (French): tertiary

Definitions

  1. tertiary

Ancestry of “tertiaire”, step by step

tertiaire traces back through two separate lines of ancestry.

via Latin tertiārius

StepLanguageWordMeaning
1Latintertiāriuscontaining a third part
2Latintertiusthird, the ordinal number after secundus and...
3Latintrēsthree; 3
4Proto-Italictrēsthree
5Proto-Indo-European*tréyes

via Medieval Latin tertiarius

StepLanguageWordMeaning
1Medieval Latintertiariuscontaining a third part; of or pertaining to the...
2Latin-ariusUsed to form adjectives from nouns or numerals;...
3Proto-Indo-European-yósCreates adjectives from noun or verb stems

Words derived from “tertiaire

Every word from Proto-Indo-European *tréyesEvery word from Proto-Italic trēsEvery word from Latin trēs