en_tn_condensed/nam/03/09.md

Cush and Egypt were her strength

"Ethiopia and Egypt strengthened her" or "Cush and Egypt were her allies"

there was no end to it

The word "it" refers to the "strength" that Cush and Egypt gave to Thebes. That there was no end to it is a hyperbole that expresses the great amount of strength. AT: "their strength was very great" (See: rc://en/ta/man/translate/figs-hyperbole)

Put and Libya

These are the names of places in northern Africa that were close to Thebes. (See: rc://en/ta/man/translate/translate-names)