Lewis Short
Sēbēthos | Sēbēthis, ĭdis (noun M) :
* A small stream in Campania, now Maddalona, on which lay Neapolis, Stat. S. 1, 2, 263.—Hence
* Adj. f., of or belonging to Sebethos, Sebethian: Nympha,Verg. A. 7, 734: lympha, Col. poët. 10, 134.
Charlton T. Lewis, Charles Short, A Latin Dictionary