Where does “klínek” come from?

klínek (Czech) comes from Czech klín, from Proto-Slavic klinъ — wedge.

Ancestry of “klínek”, step by step

StepLanguageWordMeaning
1Czechklínwedge; lap; pile
2Proto-Slavicklinъwedge
Every word from Proto-Slavic klinъ →Every word from Czech klín →