Where does “kulcscsontok” come from?

kulcscsontok (Hungarian) comes from Hungarian kulcscsont, from Hungarian kulcs, from Proto-Slavic kľučь, from Proto-Balto-Slavic kljaukjas, from Proto-Indo-European klewk-yo-s, from Proto-Indo-European kle(h₂)uk-, from Proto-Indo-European (s)kleh₂w-, from Proto-Indo-European (s)kel- — to bend, crook; bent, crooked; leg, heel, knee,...

Ancestry of “kulcscsontok”, step by step

StepLanguageWordMeaning
1Hungariankulcscsontcollarbone, clavicle
2Hungariankulcskey
3Proto-Slavickľučьkey
4Proto-Balto-Slavickljaukjas
5Proto-Indo-Europeanklewk-yo-s
6Proto-Indo-Europeankle(h₂)uk-
7Proto-Indo-European(s)kleh₂w-a hook, crook, peg
8Proto-Indo-European(s)kel-to bend, crook; bent, crooked; leg, heel, knee,...
Every word from Proto-Indo-European (s)kel-Every word from Proto-Indo-European (s)kleh₂w-Every word from Proto-Indo-European kle(h₂)uk-