ὅσον ἀπὸ τοῦ ἱεροῦ ἐφεωρᾶτο τῆς νήσου → as much of the island as was in view from the temple
-άδος, ἡ, Ατευθίς.[ΕΤΥΜΟΛ. Άλλος τ. της λ. τευθίς με επίθημα -ιάς, -ιάδος (πρβλ. νησ-ιάς, ποντ-ιάς)].