3
καὶ ἐπλήρωσαν αὐτοῦ τεσσαράκοντα ἡμέρας οὕτως γὰρ καταριθμοῦνται αἱ ἡμέραι τῆς ταφῆς καὶ ἐπένθησεν αὐτὸν αἴγυπτος ἑβδομήκοντα ἡμέρας
3
καὶ ἐπλήρωσαν αὐτοῦ τεσσαράκοντα ἡμέρας οὕτως γὰρ καταριθμοῦνται αἱ ἡμέραι τῆς ταφῆς καὶ ἐπένθησεν αὐτὸν αἴγυπτος ἑβδομήκοντα ἡμέρας
6520. 'As he made you swear on oath' means because he had it at heart. This is clear from the meaning of 'making to swear on oath' as having at heart, dealt with above in 6514.