Ἑλλησποντοφύλακες
From LSJ
Μεγάλοι δὲ λόγοι μεγάλας πληγὰς τῶν ὑπεραύχων ἀποτίσαντες γήρᾳ τὸ φρονεῖν ἐδίδαξαν → The great words of the arrogant pay the penalty by suffering great blows, and teach one to reason in old age
English (LSJ)
[ῠ], οἱ,
A customs officials established by Athens to control the trade of the Hellespont, IG12.57.36.
Greek (Liddell-Scott)
Ἑλλησποντοφύλακες: οἱ, ἄρχοντες διωρισμένοι ὅπως ἐποπτεύωσι τὴν διάβασιν τοῦ Ἑλλησπόντου, Συλλ. Ἐπιγρ. Ἀττ. 1. 40.