Lewis & Short

fē̆brīcĭto, āvi, 1, v. n. [root bhā, to shine; cf. favilla], to be ill of a fever, to have a fever (post-Aug.): scire oportet, non febricitare eum, cujus venae naturaliter ordinatae sunt, Cels. 3, 6; Sen. Ben. 4, 39; Col. 6, 9, 1; Mart. 11, 98, 20; Vulg. Matt. 8, 14.