εὐθυσμός
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)
ὁ, (εὐθύνω)
A straightness, trans. of Hebr. Shur, Ph.1.576.
Greek (Liddell-Scott)
εὐθυσμός: ὁ, (εὐθύνω) τὸ εὐθὺ ποιεῖν τι, Φίλων 1. 576.