Where does “столетний” come from?

столетний (Russian) comes from Russian сто, from Proto-Slavic sъto, from Proto-Balto-Slavic śímta, from Proto-Indo-European ḱm̥tóm, from Proto-Indo-European déḱm̥ — ten.

столетний (Russian): hundred-year; hundred-year-old

Definitions

  1. hundred-year; hundred-year-old

Ancestry of “столетний”, step by step

столетний traces back through two separate lines of ancestry.

via Russian сто

StepLanguageWordMeaning
1Russianстоhundred
2Proto-Slavicsъtohundred
3Proto-Balto-Slavicśímtahundred
4Proto-Indo-Europeanḱm̥tómhundred
5Proto-Indo-Europeandéḱm̥ten

via Russian ле́то

StepLanguageWordMeaning
1Russianле́тоyear; summer, year
2Old East Slavicлѣтоtime
3Proto-Slaviclětosummer; year
4Proto-Indo-Europeanleh₁tóm—
Every word from Proto-Indo-European déḱm̥ →Every word from Proto-Indo-European ḱm̥tóm →Every word from Proto-Balto-Slavic śímta →
столетний — Etymology, Origin & Word History | Etymology Explorer