Where does “середньорічний” come from?

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

середньорічний (Ukrainian): average annual

Definitions

  1. average annual

Ancestry of “середньорічний”, step by step

середньорічний 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 сере́дній

StepLanguageWordMeaning
1Ukrainianсере́днійmiddle
Every word from Proto-Slavic reťiEvery word from Proto-Slavic rokъEvery word from Old East Slavic рокъ