Where does “п'ятирічний” come from?

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

п'ятирічний (Ukrainian): five-year having a duration of five years

Definitions

  1. five-year having a duration of five years

Ancestry of “п'ятирічний”, 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 →