'To put' has reference to order, arrangement, application, and influx.

(რეკომენდაციები: Arcana Coelestia 6725)

6725. 'And put the child in it' means that inmostly present in it was the law of God at its earliest stages. This is clear from the meaning of 'putting in it' as inmostly present in it, because he was in the little ark; and from the representation of Moses as the law of God, dealt with further on, here the law of God at its earliest stages because he was an infant.