i.e. According to their numerous families, which were equal to great armies, and which went out of Egypt like several armies in military order, and with great power. See Exodus 12:41,51 Exodus 13:18 14:8.
Related Commentaries of Exodus 6:26
Exodus 6:26
26 These are that Aaron and Moses, to whom the LORD said, Bring out the children of Israel from the land of Egypt according to their armies.