ὅσον ἀπὸ τοῦ ἱεροῦ ἐφεωρᾶτο τῆς νήσου → as much of the island as was in view from the temple
make dim: P. and V. ἀμαυροῦν (Xen.), P. ἐπισκοτεῖν (dat.).