Where does “klíček” come from?

klíček (Czech) comes from Czech klíč, from Slovak kľúč, 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,...

klíček (Czech): clavicle, collarbone

Definitions

  1. clavicle, collarbone

Ancestry of “klíček”, step by step

klíček traces back through two separate lines of ancestry.

via Czech klíč

StepLanguageWordMeaning
1Czechklíčkey of a lock
2Slovakkľúčkey
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,...

via Czech kel

StepLanguageWordMeaning
1Czechkeltusk
2Old Czechkeltusk
3Proto-Slavickъlъfang, tusk
4Proto-Slavickoltito stab, to sting
5Proto-Balto-Slavickálˀteito forge (ambitransitive)
6Proto-Indo-Europeankolh₂-
7Proto-Indo-Europeankelh₂-to beat; to break
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-