Lewis & Short

clystērīzo, āre, v. a., = κλυστηρίζω, to apply a clyster (late Lat.), Cael. Aur. Acut. 3, 4; Veg. Vet. 2, 15, 5; 2, 17, 3 (in id. ib. 1, 42, clysterio is used).