Where does “тур” come from?

тур (Russian) comes from French tour, from Latin tornus, from Ancient Greek τόρνος, from Proto-Indo-European torh₂no-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

тур (Russian): round; tour; turn

Definitions

round; tour; turn

Ancestry of “тур”, step by step

тур traces back through two separate lines of ancestry.

via French tour

Step	Language	Word	Meaning
1	French	tour	tower; rook; apartment building
2	Latin	tornus	A turner's wheel, lathe; A potter's wheel
3	Ancient Greek	τόρνος	A tool similar to a pair of compasses used to...
4	Proto-Indo-European	torh₂no-	—
5	Proto-Indo-European	terh₁-	to rub, turn; to drill, pierce

via Proto-Slavic tȗrъ

Step	Language	Word	Meaning
1	Proto-Slavic	tȗrъ	aurochs
2	Proto-Balto-Slavic	taurás	aurochs, wisent
3	Proto-Indo-European	táwros	wild bull, aurochs

Words derived from “тур”

Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European torh₂no- →Every word from Ancient Greek τόρνος →