Where does “среднегодовой” come from?

среднегодовой (Russian) comes from Russian годово́й, from Russian год, from Old East Slavic годъ, from Proto-Slavic godъ, from Proto-Balto-Slavic gadas, from Proto-Indo-European gʰedʰ- — to join; to unite; to suit.

среднегодовой (Russian): average annual

Definitions

  1. average annual

Ancestry of “среднегодовой”, step by step

среднегодовой traces back through two separate lines of ancestry.

via Russian годово́й

StepLanguageWordMeaning
1Russianгодово́йannual happening once a year
2Russianгодyear
3Old East Slavicгодъtime, period; time, period, year, age
4Proto-Slavicgodъsuitable, right time; holiday, feast; time, term
5Proto-Balto-Slavicgadasprobably suitable time or gathering, match
6Proto-Indo-Europeangʰedʰ-to join; to unite; to suit

via Russian сре́дний

StepLanguageWordMeaning
1Russianсре́днийmiddle
2Old Church Slavonicсрѣдьнъ
3Proto-Slavicserdьnъmiddle, central
4Proto-Slavicserdamiddle; Wednesday
5Proto-Balto-Slavicśerd-
6Proto-Indo-Europeanḱerd-heart
Every word from Proto-Indo-European gʰedʰ-Every word from Proto-Balto-Slavic gadasEvery word from Proto-Slavic godъ