Where does “трёхнедельный” come from?

трёхнедельный (Russian) comes from Russian неде́ля, from Old East Slavic недѣлꙗ, from Proto-Slavic neděľa, from Proto-Slavic dělo, from Proto-Slavic děti, from Proto-Balto-Slavic dḗˀtei, from Proto-Indo-European dʰeh₁- — to do, put, place.

трёхнедельный (Russian): three-week lasting three weeks

Definitions

  1. three-week lasting three weeks

Ancestry of “трёхнедельный”, step by step

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 dʰeh₁- →Every word from Proto-Balto-Slavic dḗˀtei →Every word from Proto-Slavic děti →