Etymology Explorer › Latin

Where does “octodecim” come from?

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

octodecim (Latin): eighteen; 18

Definitions

  1. eighteen; 18

Ancestry of “octodecim”, step by step

StepLanguageWordMeaning
1Latindecemten; 10
2Latin-nus-an
3Proto-Italic-nos—
4Proto-Indo-European-nósCreates verbal adjectives from roots
Every word from Proto-Indo-European -nós →