Where does “не на руку” come from?

не на руку (Ukrainian) comes from Ukrainian не, from Proto-Slavic ne, from Proto-Balto-Slavic nē, from Proto-Indo-European né — not; no.

не на руку (Ukrainian): inconvenient, unsuitable, disadvantageous

Definitions

  1. inconvenient, unsuitable, disadvantageous

Ancestry of “не на руку”, step by step

не на руку traces back through two separate lines of ancestry.

via Ukrainian не

StepLanguageWordMeaning
1Ukrainianнеno; not
2Proto-Slavicnenot
3Proto-Balto-Slavicnēnot
4Proto-Indo-Europeannénot; no

via Ukrainian на ру́ку

StepLanguageWordMeaning
1Ukrainianна ру́куconvenient, handy, advantageous, playing into someone's hands
Every word from Proto-Indo-European né →Every word from Proto-Balto-Slavic nē →Every word from Proto-Slavic ne →