προμετρητής
From LSJ
τούτου δὲ συμβαίνοντος ἀναγκαῖον γίγνεσθαι πάροδον καὶ τροπὰς τῶν ἐνδεδεμένων ἄστρων → but if this were so, there would have to be passings and turnings of the fixed stars
English (LSJ)
οῦ, ὁ, a servant of the μετρονόμοι, IG22.1672.291, Hyp.Fr.191, Din.Fr.16.4; =
A mensor, Gloss.
German (Pape)
[Seite 734] ὁ, Vormesser, Unterbeamter der μετρονόμοι, Harpocr. aus Hyperid. u. Din.; vgl. B. A. 290.