Where does “kroužek” come from?

kroužek (English) comes from Czech kroužek, 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.

kroužek (English): A ring-shaped diacritical mark (˚), whose use is largely restricted to Å, å and Ů, ů, and whereon it represents an etymological ‘o’

Definitions

  1. A ring-shaped diacritical mark (˚), whose use is largely restricted to Å, å and Ů, ů, and whereon it represents an etymological ‘o’

Ancestry of “kroužek”, step by step

StepLanguageWordMeaning
1CzechkroužekDiminutive of kruh; kroužek, ring
2Czechkruhdisc; wheel; circle
3Old Czechkruh—
4Proto-Slavickrǫgъcircle
5Proto-Indo-Europeankrongʰ-o-—
6Proto-Indo-European(s)ker-to cut off; to turn, bend
7Proto-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- →