τὴν ἐρημίαν τῶν κωλυσόντων ὁρῶν → seeing that there would be none to hinder him
P. and V. ἡσυχῆ, ἡσύχως (rare P.), Ar. and V. ἀτρέμα (rare P.), Ar. and P. ἀτρέμας, ἠρέμα (Plato).
peacefully, without care: P. and V. ἀπραγμόνως (Euripides, Fragment).