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late 12c., probably from an unrecorded Old English *hop, from Proto-Germanic *hopa-, a Low German-Frisian word (cf. Old Frisian hop, Middle Dutch and Dutch hoep "hoop," Old Norse hop "a small bay"). As something someone jumps through (on horseback) as a circus trick, by 1793. Figurative use of jump through hoops by 1917. The verb is from mid-15c. Hoop-petticoat is attested from 1711. As a surname, Hooper, literally "maker of hoops" is early 13c.
Having to do with basketball: a hoop
A basketball player (1940s+ Basketball)
circular toy adaptable to many games, children's and adults', probably the most ubiquitous of the world's toys, after the ball. The ancient Greeks advocated hoop rolling as a beneficial exercise for those not very strong. It was also used as a toy by both Greek and Roman children, as graphic representations indicate. Most of these ancient hoops were of metal. Most later hoops were of wood, though occasionally fitted with metal tires, as in the hoop-rolling-fad days of 19th-century England and the United States. North American Indians used the hoop as a target in teaching accuracy of throwing to the young. Adult Eskimos played a game that involved throwing poles through a rolling hoop.