Arcana Coelestia #4237
4237. 'And he called the name of that place Mahanaim' means the nature of that state. This is clear from the meaning of 'calling the name' as the essential nature, dealt with in 144, 145, 1754, 1896, 2009, 3421, and from the meaning of 'place' as state, dealt with in 2625, 2837, 3356, 3387. In the original language Mahanaim means the two camps, and 'the two camps' means both heavens, or both kingdoms of the Lord - the celestial and the spiritual - and in the highest sense the Lord's Divine celestial and Divine spiritual. From this it is evident that the nature of the Lord's state when His Natural was being enlightened by spiritual and celestial good is the meaning of 'Mahanaim'. But this - that is to say, the nature of that state - cannot be described because the Divine states which the Lord experienced when He made the Human within Him Divine do not fall within the mental grasp of any man, or indeed of any angel. They can be seen only by means of appearances when enlightened by the light of heaven received from the Lord, and by means of the states which a person experiences when being regenerated since the regeneration of man is an image of the glorification of the Lord, 3138, 3212, 3296, 3490.
Arcana Coelestia #144
144. As to 'calling by name' meaning recognizing their nature, it must be realized that the ancients understood nothing else by 'a name than the essential nature of a real thing, and by 'seeing and calling them by name' recognizing the nature of such. This was why they gave their sons and daughters names in keeping with the things that were meant by them; for there was something unique to every name, as a means of knowing the origin and nature of those children, as will also be seen later on where, in the Lord's Divine mercy, the twelve sons of Jacob are dealt with. Since therefore a name embodied a person's origin and nature nothing else was meant by 'calling by name'. This manner of speaking was customary among them; but anyone who does not understand is sure to wonder whether they do have these meanings.