Pyriphlegethon
From LSJ
Ξένοις ἐπαρκῶν τῶν ἴσων τεύξῃ ποτέ → Bene de extero quid meritus exspectes idem → Hilf Fremden und dereinst wird Gleiches dir geschehn
Latin > English (Lewis & Short)
Pyrĭphlĕgĕthon: ontis, m., = Πυριφλεγέθων,>
I a river in the Infernal Regions, usually called Phlegethon, Cic. N. D. 3, 17, 43 dub.; Tert. Apol. 47 fin.; Arn. 2, 52.
Latin > French (Gaffiot 2016)
Pўriphlĕgĕthōn, ontis, m. (Πυριφλεγέθων), Pyriphlégéthon [fleuve des enfers] : Cic. Nat. 3, 43.