Where does “декабрьский” come from?

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

декабрьский (Russian): December

Definitions

  1. December

Ancestry of “декабрьский”, step by step

StepLanguageWordMeaning
1Russianдека́брьDecember
2Latindecemberof December; December
3Latindecemten; 10
4Latin-nus-an
5Proto-Italic-nosCreates verbal adjectives from verb stems
6Proto-Indo-European-nósCreates verbal adjectives from roots
Every word from Proto-Indo-European -nós →Every word from Latin -nus →Every word from Latin decem →