окружи́ть (Russian) comes from Russian кружи́ть, from Proto-Slavic krǫžiti, 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.
окружи́ть (Russian): to gather round