Where does “octodecimal” come from?

octodecimal (English) comes from English decimal, from Medieval Latin decimalis, from Latin Decimus, from Latin decem, from Latin -nus, from Proto-Italic -nos, from Proto-Indo-European -nós — Creates verbal adjectives from roots.

octodecimal (English): Having eight times ten faces

Definitions

  1. Having eight times ten faces

Ancestry of “octodecimal”, step by step

StepLanguageWordMeaning
1EnglishdecimalA number expressed in the base-ten system, a...
2Medieval Latindecimalis
3LatinDecimusoriginally used for a tenth-born son
4Latindecemten; 10
5Latin-nus-an
6Proto-Italic-nosCreates verbal adjectives from verb stems
7Proto-Indo-European-nósCreates verbal adjectives from roots
Every word from Proto-Indo-European -nósEvery word from Latin -nusEvery word from Latin decem
octodecimal — Etymology, Origin & Word History | Etymology Explorer