Where does “надо” come from?

надо (Southern Yukaghir) comes from Russian надо, from Old East Slavic надо, from Proto-Slavic nadoba, from Proto-Slavic doba, from Proto-Balto-Slavic dabāˀ, from Proto-Indo-European dʰh₂ebʰ-eh₂, from Proto-Indo-European dʰh₂ebʰ- — to pass, happen, occur, fit; to model, fashion;...

Ancestry of “надо”, step by step

StepLanguageWordMeaning
1Russianнадоabove, over
2Old East Slavicнадо—
3Proto-Slavicnadoba—
4Proto-Slavicdobatime
5Proto-Balto-Slavicdabāˀ—
6Proto-Indo-Europeandʰh₂ebʰ-eh₂—
7Proto-Indo-Europeandʰh₂ebʰ-to pass, happen, occur, fit; to model, fashion;...
Every word from Proto-Indo-European dʰh₂ebʰ- →Every word from Proto-Indo-European dʰh₂ebʰ-eh₂ →Every word from Proto-Balto-Slavic dabāˀ →