Syris

From LSJ

οἱ βάρβαροι τῇ ἀλήκτῳ συνουσίᾳ ὑπνώθησαν → the barbarians, exhausted by unremitting intercourse, fell asleep

Source

Latin > French (Gaffiot 2016)

Syris, is, m., fleuve du Pont : Plin. 6, 4.