Strong’s Dictionary of Hebrew Words:
Meaning:
probably of foreign origin; Amalek, a descendant of Esau; also his posterity and their country
Jackson’s Dictionary of Scripture Proper Names:
people of lapping (or licking up)
Potts’ Bible Proper Names:
Labor; a people that licks up:― a descendant of Esau, Exod. 17:8. {Labor}