οὕτω γὰρ συμβαίνει ἅμα καὶ ἡ τῶνδε εὐγένεια κοσμουμένη → for by so doing we shall also celebrate therewith the noble birth of these heroes
middle voice (reflexively) of ἀπέχω; to hold oneself off, i.e. refrain: abstain.
