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
εῖσα, έν;part. ao. Pass. de ἔχω.
σχεθείς: εῖσα, έν part. aor. pass. к ἔχω.
