Where does “kružidlo” come from?

kružidlo (Czech) comes from Czech kruh, from Old Czech kruh, from Proto-Slavic krǫgъ, from Proto-Indo-European krongʰ-o-, from Proto-Indo-European (s)ker-, from Proto-Indo-European sek- — to cut, cut off, sever.

kružidlo (Czech): trammel, pair of compasses

Definitions

  1. trammel, pair of compasses

Ancestry of “kružidlo”, step by step

StepLanguageWordMeaning
1Czechkruhdisc; wheel; circle
2Old Czechkruh—
3Proto-Slavickrǫgъcircle
4Proto-Indo-Europeankrongʰ-o-—
5Proto-Indo-European(s)ker-to cut off; to turn, bend
6Proto-Indo-Europeansek-to cut, cut off, sever
Every word from Proto-Indo-European sek- →Every word from Proto-Indo-European (s)ker- →Every word from Proto-Indo-European krongʰ-o- →