A.stretch into, κόλπος ἐκ τῆς βορηΐης θαλάσσης ἐσέχων ἐπὶ Αἰθιοπίης a bay running in from the north sea towards Ethiopia, Hdt.2.11 ; “ἡ μεγίστη τῶν διωρύχων ἐσέχει ἐς ποταμόν” Id.1.193 ; ἦν θάλαμος ἐσέχων ἐς τὸν ἀνδρεῶνα the chamber opened into the men's apartment, Id.3.78 ; ἐς τὸν οἶκον ἐσέχων ὁ ἥλιος the sun shining into the house, Id.8.137 : abs., ἐκ τοῦ Νείλου διώρυχες ἐσέχουσι (sc. ἐς τὴν γῆν) Id.2.138.
II. in pictures, τὸ ἐσέχον is the retiring part, the shade, opp. ἐξέχον (the high lights), Philostr. VA 2.20.