Where does “tredecim” come from?

tredecim (Latin) comes from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

tredecim (Latin): thirteen; 13

Definitions

  1. thirteen; 13

Ancestry of “tredecim”, step by step

tredecim traces back through two separate lines of ancestry.

via Latin decem

StepLanguageWordMeaning
1Latindecemten; 10
2Latin-nus-an
3Proto-Italic-nosCreates verbal adjectives from verb stems
4Proto-Indo-European-nósCreates verbal adjectives from roots

via Latin trēs

StepLanguageWordMeaning
1Latintrēsthree; 3
2Proto-Italictrēsthree
3Proto-Indo-European*tréyes

Words derived from “tredecim

Every word from Proto-Indo-European -nósEvery word from Latin -nusEvery word from Latin decem