Where does “лук” come from?

лук (Serbo-Croatian) comes from Proto-Slavic lukъ, from Proto-Germanic laukaz, from Proto-Indo-European lewg- — to bend.

лук (Serbo-Croatian): onion; garlic; any "Allium" species

Definitions

  1. onion; garlic; any "Allium" species

Ancestry of “лук”, step by step

лук traces back through two separate lines of ancestry.

via Proto-Slavic lukъ

StepLanguageWordMeaning
1Proto-Slaviclukъonion, leek
2Proto-Germaniclaukazleek
3Proto-Indo-Europeanlewg-to bend

via Proto-Slavic lǫkъ

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

Words derived from “лук”

Every word from Proto-Indo-European lewg- →Every word from Proto-Germanic laukaz →Every word from Proto-Slavic lukъ →