Stephanos of Byzantium - Ethnika
Kasos: one of the Cyclades. 'And those who held Nisyros and Karpathos and Kasos'. It used to be called Amphe and Astrabe; it is now named after Kasos, the father of Kleochos. Mount Kasios in Syria was also settled from this island. There is another Kasos in Persia which is a city, and the ethnonym is 'Kasios'.
Stephanos excerpt (left) is aligned with matched Herodian passages (right). Colors indicate corresponding overlap spans.
Κάσος, μία τῶν Κυκλάδων. “οἳ δ´ ἄρα Νίσυρόν τ´ εἶχον Κράπαθόν τε Κάσον τε”. ἐκαλεῖτο δ´ Ἄμφη καὶ Ἀστράβη· κέκληται δὲ ἀπὸ τοῦ Κάσου τοῦ Κλεόχου πατρός. ἀπῴκισται δὲ τῆς νήσου καὶ τὸ ἐν Συρίᾳ ὄρος Κάσιον. ἔστι καὶ ἑτέρα Περσίδος καὶ πόλις. καὶ τὸ ἐθνικὸν Κάσιος.
… Καλαβρός ὁ οἰκήτωρ τῆς Καλαβρίας ὡς τῆς Κανταβρίας Κανταβρός. τὸ δὲ Ἴνσοβρος ἔθνος Ἰταλικὸν Πολύβιος ιϛʹ βαρύνεται. Τὰ εἰς 'σος' διβράχεα βαρύνεται, Θάσος νῆσος πρὸς τῇ Θρᾴκῃ ἀπὸ Θάσου. Κάσος Κλεόχου υἱὸς καὶ ἀπ´ αὐτοῦ μία τῶν Κυκλάδων «οἱ δ´ ἄρα Νίσυρόν τ´ εἶχον Κράπαθόν τε Κάσον τε» (Β 676). ἔστι καὶ ἑτέρα Περσίδος πόλις. Ἄσος πολίχνιον Κρήτης. νόσος, δρόσος, πίσος τὸ ὄσπριον, μέσος, ἴσος, πόσος, ὅσος, τόσος.