circum-sĭlĭo, īre, v. n. [salio],
to spring , leap , or hop around (rare): (passer) circumsiliens modo huc, modo illuc, * Cat. 3, 9.— Trop., to leap about , surround : morborum omne genus, * Juv. 10, 218.
circumsiliō —, —, īre circum + salio, to leap around, dance around : circumsilit Morborum omne gen...
An Elementary Latin Dictionary