Genesis 11:7

“Go to, let us go down, [and] there confound their language, etc.] These words are not spoken to the angels, as the Targum and Aben Ezra; for, as Philo the Jew observes f819, they are said to some as co-workers with God, which angels could not be in this work of confounding the language of men; it being above the power of creatures so to work upon the mind, and on the faculty of speech, as to make such an alteration as was at the confusion of tongues, when men were made to forget their former language, and had another put into their minds, and a faculty of speaking it given; or, however, the first language was so differently inflected and pronounced, that it seemed another, and various; all…”

“confound their language--literally, "their lip"; it was a failure in utterance, occasioning a difference in dialect which was intelligible only to those of the same tribe. Thus easily by God their purpose was defeated, and they were compelled to the dispersion they had combined to prevent. It is only from the Scriptures we learn the true origin of the different nations and languages of the world. By one miracle of tongues men were dispersed and gradually fell from true religion. By another, national barriers were broken down--that all men might be brought back to the family of God.”

“- The Confusion of Tongues 1. נסע nāsa‛ “pluck out, break up, journey.” מקדם mı̂qedem “eastward, or on the east side” as in Genesis 2:14; Genesis 13:11; Isaiah 9:11 (12). 6. החלם hachı̂lām “their beginning”, for החלם hăchı̂lām, the regular form of this infinitive with a suffix. יזמוּ yāzmû as if from יזם yāzam = זמם zāmam. 7. נבלה nābelâh usually said to be for נבלה nābolâh from בלל bālal; but evidently designed by the punctuator to be the third singular feminine perfect of נבל nābal “to be confounded,” having for its subject שׂפה śāpâh, “and there let their lip be confounded.” The two verbs have the same root. 9. בבל bābel Babel, “confusion,” derived from בל bl the common…”

“11:7 Come, let’s go down: God addresses his angelic court (see 1:26; 3:22; and study notes). • won’t be able to understand each other: Their inability to communicate would curtail their unified sinful ambition. The God-honoring unity of language on the day of Pentecost was a symbolic reversal of the Babel dispersion (Acts 2:5-13; see Zeph 3:9).”