Where does “десятирічний” come from?

десятирічний (Ukrainian) comes from Ukrainian рік, from Old East Slavic рокъ, from Proto-Slavic rokъ, from Proto-Slavic reťi — to say.

десятирічний (Ukrainian): ten-year

Definitions

  1. ten-year

Ancestry of “десятирічний”, step by step

StepLanguageWordMeaning
1Ukrainianрікyear time it takes for the Earth to complete one revolution of the Sun
2Old East Slavicрокъ—
3Proto-Slavicrokъtime, term; year
4Proto-Slavicreťito say
Every word from Proto-Slavic reťi →Every word from Proto-Slavic rokъ →Every word from Old East Slavic рокъ →