Where does “crni luk” come from?

crni luk (Serbo-Croatian) comes from Serbo-Croatian cȓn, from Proto-Slavic čьrnъ, from Proto-Balto-Slavic kiršnas, from Proto-Indo-European kr̥snós, from Proto-Indo-European kers- — black, dirty; run; to run.

crni luk (Serbo-Croatian): onion; black onion

Definitions

  1. onion; black onion

Ancestry of “crni luk”, step by step

crni luk traces back through two separate lines of ancestry.

via Serbo-Croatian cȓn

StepLanguageWordMeaning
1Serbo-Croatiancȓnblack
2Proto-Slavicčьrnъblack
3Proto-Balto-Slavickiršnasblack
4Proto-Indo-Europeankr̥snósblack; dark, dusky
5Proto-Indo-Europeankers-black, dirty; run; to run

via Serbo-Croatian luk

StepLanguageWordMeaning
1Serbo-Croatianlukonion; garlic; any "Allium" species
2Proto-Slaviclukъonion, leek
3Proto-Germaniclaukazleek
4Proto-Indo-Europeanlewg-to bend
Every word from Proto-Indo-European kers- →Every word from Proto-Indo-European kr̥snós →Every word from Proto-Balto-Slavic kiršnas →