σπίνος
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)
[ῐ], ὁ,= σπίζα, Ar.Av.1079, Pax 1149, Eub.150.5, Thphr. Sign.39;
A σ. ἠῷα σπίζων Arat.1024; also σπίννος, Gloss.; cf. σπίγγος, σπίνα, σπινθίον. II a kind of stone, which blazes when water touches it, Arist.Mir.832b29, Thphr.Lap.13.
