ἑταιρεῖος
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)
α, ον, Ion. ἑταιρ-ήϊος, η, ον, (ἑταίρειος Hdn.Gr.1.137):—
A of or belonging to companions : Ζεὺς ἑ. presiding over fellowship, Hdt.1.44, Diph.20, D.Chr. 1.39, etc.; so, of God, Ph.2.452 ; φόνος ἑ. the murder of a comrade, AP9.519 (Alc. Mess.). II amorous, ἑ. φιλότης h.Merc.58 ; στόλος AP9.415 (Antiphil.). III ἑταιρεῖον, τό, house of a ἑταίρα, Sch. Ar.Eq.873.