Where does “круговой” come from?

круговой (Russian) comes from Russian круг, 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.

круговой (Russian): circular

Definitions

  1. circular

Ancestry of “круговой”, step by step

StepLanguageWordMeaning
1Russianкругcircle, ring; sphere, range; orbit
2Proto-Slavickrǫgъcircle
3Proto-Indo-Europeankrongʰ-o-—
4Proto-Indo-European(s)ker-to cut off; to turn, bend
5Proto-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- →