Lewis & Short

sŭpĕr-aspergo, ĕre, v. a., to scatter upon or over (late Lat.): farinam, Veg. Vet. 3, 3 med.: piperis pulverem, Apic. 4, 2; Cael. Aur. Tard. 5, 1, 14: pardus albis maculis superadspersus, Isid. 12, 2, 19.