# of the land
"of the land of Judah"
# he proclaimed by the hand of Jeremiah the prophet
The hand is a synecdoche for the person. Alternate translation: "he had Jeremiah the prophet proclaim" (See: [[rc://en/ta/man/jit/figs-synecdoche]])
# he proclaimed
"Yahweh proclaimed"
# Jeremiah the prophet
Jeremiah refers to himself by name for reasons that are not clear.