en_tn_condensed/2ki/08/20.md

the hand of Judah

Here the word "hand" refers to the control of Judah, and "Judah" refers specifically to the king of Judah. Alternate translation: "the control of the king of Judah" (See: rc://en/ta/man/jit/figs-metonymy)

they set a king over themselves

"they appointed a king to rule over themselves"