Lewis Short
dē-purgo, no
* Perf., ātum, 1, v. a., to clean out, cleanse (rare): prata,Cato R. R. 50, 1: acina,id. ib. 112, 2: terram ab herba,id. 151: caules lactucae,Col. 12, 9, 1: sordes,id. 9, 14, 13: pisces,Plaut. Stich. 2, 2, 35.
* Esp. as med. t. t., to cleanse, clear, purge: eas partes ex quibus sputa feruntur,Cael. Aur. Acut. 2, 18, 110; so absol.: aquae genus, quod potionibus depurgat,Vitr. 8, 3, 5.
Charlton T. Lewis, Charles Short, A Latin Dictionary