Is joined with them in their counsels, and possibly with some of their forces, though not so openly and powerfully as afterwards. The children of Lot; Moab and Ammon, who were the principal parties in that war, 2Ch 20, called here the children of Lot, to intimate their horrible degeneration from their pious progenitors.
Related Commentaries of Psalms 83:8
Psalms 83:8
8 Assur also is joined with them: they have holpenb the children of Lot. Selah.