Where does “luk” come from?

luk (Old Czech) comes from Proto-Slavic lǫkъ, from Proto-Balto-Slavic *lankás, from Proto-Indo-European lenk- — to bend.

Ancestry of “luk”, step by step

StepLanguageWordMeaning
1Proto-Slaviclǫkъbow
2Proto-Balto-Slavic*lankásbow
3Proto-Indo-Europeanlenk-to bend

Words derived from “luk”

Every word from Proto-Indo-European lenk- →Every word from Proto-Balto-Slavic *lankás →Every word from Proto-Slavic lǫkъ →