prevalence
From LSJ
Χρὴ τῶν ἀγαθῶν διακναιομένων πενθεῖν ὅστις χρηστὸς ἀπ' ἀρχῆς νενόμισται → When a good man is hurt, all who would be called good must suffer with him
English > Greek (Woodhouse)
substantive
owing to the widespread prevalence of piracy: P. διὰ τὴν λῃστείαν ἐπὶ πολύ ἀντισχοῦσαν (Thuc. 1, 7).