Where does “восьминедельный” come from?

восьминедельный (Russian) comes from Russian восемь, from Old Church Slavonic осмь, from Proto-Slavic osmь, from Proto-Balto-Slavic aśmas, from Proto-Indo-European oḱtṓwos, from Proto-Indo-European oḱtṓw, from Proto-Indo-European aḱ- — sharp, pointed; sharp, pointed, edgy; sharp,...

восьминедельный (Russian): eight-week

Definitions

  1. eight-week

Ancestry of “восьминедельный”, step by step

восьминедельный traces back through two separate lines of ancestry.

via Russian восемь

StepLanguageWordMeaning
1Russianвосемьeight
2Old Church Slavonicосмьeight
3Proto-Slavicosmьeight
4Proto-Balto-Slavicaśmas
5Proto-Indo-Europeanoḱtṓwoseighth
6Proto-Indo-Europeanoḱtṓweight
7Proto-Indo-Europeanaḱ-sharp, pointed; sharp, pointed, edgy; sharp,...

via Russian неде́ля

StepLanguageWordMeaning
1Russianнеде́ляSunday; week
2Old East SlavicнедѣлꙗSunday
3Proto-SlavicneděľaSunday
4Proto-Slavicdělodeed; work
5Proto-Slavicdětito do; to put, to place; to thread, to pass...
6Proto-Balto-Slavicdḗˀteito put, to place; to do
7Proto-Indo-Europeandʰeh₁-to do, put, place
Every word from Proto-Indo-European aḱ-Every word from Proto-Indo-European oḱtṓwEvery word from Proto-Indo-European oḱtṓwos