en_tn_condensed/isa/60/12.md

General Information:

Yahweh continues speaking to the people of Israel.

those nations will be completely ruined

The phrase "those nations" is a metonym for the people who live in those nations. This can be stated in active form. Alternate translation: "I will completely destroy the people of those nations" (See: rc://en/ta/man/jit/figs-activepassive)