Where does “двадцятиріччя” come from?

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

двадцятиріччя (Ukrainian): twenty-year period

Definitions

  1. twenty-year period

Ancestry of “двадцятиріччя”, step by step

двадцятиріччя traces back through two separate lines of ancestry.

via Ukrainian рік

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

via Ukrainian двадцять

StepLanguageWordMeaning
1Ukrainianдвадцятьtwenty (20)
Every word from Proto-Slavic reťi →Every word from Proto-Slavic rokъ →Every word from Old East Slavic рокъ →