Where does “сороковой” come from?

сороковой (Russian) comes from Russian со́рок, from Old East Slavic сорокъ, from Proto-Slavic *sorkъ — clothing item.

сороковой (Russian): fortieth

Definitions

  1. fortieth

Ancestry of “сороковой”, step by step

StepLanguageWordMeaning
1Russianсо́рокforty
2Old East Slavicсорокъa bunch of 40 sable pelts; a bunch of 40 sable...
3Proto-Slavic*sorkъclothing item
Every word from Proto-Slavic *sorkъ →Every word from Old East Slavic сорокъ →Every word from Russian со́рок →