Where does “лук” come from?

лук (Belarusian) comes from Old East Slavic лукъ, from Proto-Slavic lǫkъ, from Proto-Balto-Slavic *lankás, from Proto-Indo-European lenk- — to bend.

лук (Belarusian): bow

Definitions

  1. bow

Ancestry of “лук”, step by step

StepLanguageWordMeaning
1Old East Slavicлукъ—
2Proto-Slaviclǫkъbow
3Proto-Balto-Slavic*lankásbow
4Proto-Indo-Europeanlenk-to bend
Every word from Proto-Indo-European lenk- →Every word from Proto-Balto-Slavic *lankás →Every word from Proto-Slavic lǫkъ →