Strong’s Dictionary of Hebrew Words:
Meaning:
as if plural of some Egyptian word; Anamim, a son of Mizraim and his descendants, with their country
Jackson’s Dictionary of Scripture Proper Names:
affliction (or answer) of the waters
Potts’ Bible Proper Names:
A fountain; affliction; sound of waters:―a son of Mizraim, Gen. 10:13. {Fons; afflictio}