πρυτανάρχης
From LSJ
ἔνδον γὰρ ἁνὴρ ἄρτι τυγχάνει, κάρα στάζων ἱδρῶτι καὶ χέρας ξιφοκτόνους → yes, the man is now inside, his face and hands that have slaughtered with the sword dripping with sweat
English (LSJ)
ου, ὁ, A president of a board of πρυτάνεις, Ath.Mitt.6.42 (Cyzicus).
Greek (Liddell-Scott)
πρυτανάρχης: ὁ, ὁ τῶν πρυτάνεων ἀρχηγός, Ἐπιγρ. Κυζίκου, Mitth. d, d. arch. Inst. VI, σ. 42.