Where does “надлишковий” come from?

надлишковий (Ukrainian) comes from Ukrainian надли́шок, from Ukrainian над-, from Ukrainian над, from Old East Slavic надъ, from Proto-Slavic nadъ, from Proto-Balto-Slavic nōda, from Proto-Indo-European h₂nō-dʰh₁-o-m.

надлишковий (Ukrainian): surplus, superfluous

Definitions

surplus, superfluous

Ancestry of “надлишковий”, step by step

Step	Language	Word	Meaning
1	Ukrainian	надли́шок	surplus
2	Ukrainian	над-	takes adjectives, produces adjectives: super-, supra
3	Ukrainian	над	above, over + instrumental case
4	Old East Slavic	надъ	above, over
5	Proto-Slavic	nadъ	over, above
6	Proto-Balto-Slavic	nōda	—
7	Proto-Indo-European	h₂nō-dʰh₁-o-m	—

Every word from Proto-Indo-European h₂nō-dʰh₁-o-m →Every word from Proto-Balto-Slavic nōda →Every word from Proto-Slavic nadъ →