σύνθηρος
From LSJ
οὕτως ἔσονται οἱ ἔσχατοι πρῶτοι καὶ οἱ πρῶτοι ἔσχατοι· πολλοὶ γάρ εἰσι κλητοί, ὀλίγοι δὲ ἐκλεκτοί → so the last shall be first and the first last for many be called but few chosen
English (LSJ)
ον,
A hunting with, τῷ Κύρῳ X.Cyr.3.1.7; σ. κύνες hunting with (Artemis), AP9.303 (Adaeus): as Subst., σ. Ἀρτέμιδος her fellowhuntress, Apollod.3.8.2: c. gen. object., joining in quest of, τῶν ἀγαθῶν φίλων X.Mem.2.6.35.