ring rope
/ˈrɪŋ rəʊp/noun
1A rope attached to or passing through a ring; specifically (Nautical ) a rope used to make the anchor cable of a ship more secure during bad weather.
2Any of the cords marking off a ring, especially a boxing or wrestling ring. Often in plural.
Origin
Late 17th century; earliest use found in John Tutchin (d. 1707), political writer. From ring + rope.