μετὰ τὴν ὑπατείαν τῶν δεσποτῶν ἡμῶν Κωνσταντίου Αὐγούστου καὶ Κλαυδίου Ἰουλιανοῦ τοῦ εὐγενεστάτου καὶ ἐπιφανεστάτου Καίσαρος τῷ γ΄ ἐτήσθην τι
vestiges
“After the consulship of our lords Constantius Augustus and Claudius Julian, the most noble and most illustrious Caesar, in the third (year), I … something.”
τῷ γ΄ ἐτήσθην τιare fragmentary/uncertain as given; the sense is incomplete.
vestigesis an English word (not Latin) meaning “traces/remains.”