Russian надо

← Old East Slavic надъ (inherited)

← Old East Slavic надо (mention)

← Old East Slavic надо (inherited)

← Old East Slavic надобѣ (mention)

← Old East Slavic надоба (mention)

← Russian над (mention)

← Proto-Slavic *nadъ (inherited)

← Proto-Slavic *nadoba (derived)

← Proto-Slavic *na- (affix)

← Proto-Slavic *doba (affix)