E.W. Bullinger's Companion Bible Notes - Exodus 17:8
Then came Amalek. See on Genesis 21:25 and Judges 5:11 . Amalek came to fight for the water. Compare Deuteronomy 25:17 , Deuteronomy 25:18 . Amalek came behind and attacked the rear, and he "feared not God", Deuteronomy 25:8 . Amalek , Figure of speech Synecdoche (of Part), App-6 , put for Amalekites. At Rephidim, they got water plus Amalek; at Meribah, water plus Edom. read more
Bridgeway Bible Commentary - Exodus 17:1-16
Events at Rephidim (17:1-16)When the people arrived at Rephidim and found no water, they again complained against God and against Moses. Once more Moses prayed for them and once more God miraculously provided. The names by which the place became known, Massah and Meribah, reminded the people of how they ‘tested’ God (Massah) and ‘argued with’ Moses (Meribah) (17:1-7).The Amalekites, a race of wild desert nomads descended from Esau (see Genesis 36:12,Genesis 36:16), saw the migration of the... read more