Where does “tertiäärikautinen” come from?

tertiäärikautinen (Finnish) comes from Finnish tertiäärikausi, from Finnish tertiääri, from Swedish tertiär, from Latin tertiārius, from Latin tertius, from Latin trēs, from Proto-Italic trēs, from Proto-Indo-European *tréyes.

tertiäärikautinen (Finnish): Tertiary

Definitions

  1. Tertiary

Ancestry of “tertiäärikautinen”, step by step

tertiäärikautinen traces back through two separate lines of ancestry.

via Finnish tertiäärikausi

StepLanguageWordMeaning
1FinnishtertiäärikausiTertiary
2FinnishtertiääriTertiary
3Swedishtertiär
4Latintertiāriuscontaining a third part
5Latintertiusthird, the ordinal number after secundus and...
6Latintrēsthree; 3
7Proto-Italictrēsthree
8Proto-Indo-European*tréyes

via Finnish inen

StepLanguageWordMeaning
1Finnishinen
Every word from Proto-Indo-European *tréyesEvery word from Proto-Italic trēsEvery word from Latin trēs