ἐν αἷς, in the course of which: i.e. at some moment in them. So
. δεξιώματα, pledges given by placing one's right hand in another's: the word occurs only here, and in Athen. 159 B (poet. anonym.) “ὦ χρυσέ, δεξίωμα κάλλιστον βροτοῖς”, gift most welcome to men. “δεξιοῦσθαι” is only “"to greet"” or “"welcome"”: but “δεξιὰς διδόναι καὶ λαμβάνειν”, etc., suggested the phrase here. Cp. Il. 2.341 “σπονδαί τ᾽ ἄκρητοι καὶ δεξιαί, ᾗς ἐπέπιθμεν”. In Eur. Suppl. 930 Theseus says of Polyneices, “ξένος γὰρ ἦν μοι”, as if alluding to hereditary “ξενία” between the royal houses. Cp. 632.“κάτισθι μὴ πολλοὺς ἔτι
τρόχους ἁμιλλητῆρας ἡλίου τελῶν
ἐν οἶσι … ἀμοιβὸν ἀντιδοὺς ἔσει
”