Albert Barnes Commentary Isaiah 14:5

"Jehovah hath broken the staff of the wicked, the sceptre of the rulers;" — Isaiah 14:5 (ASV)

The Lord has broken - Yahweh, by the hand of Cyrus.

The staff of the wicked - That is, the scepter of the king of Babylon. The word rendered ‘staff’(מטה maṭēh) may mean either a bough, stick, staff, rod, or a scepter. The scepter was the symbol of supreme power. It was in the form of a staff and was made of wood, ivory, or gold. It here means that Yahweh had taken away the power from Babylon and destroyed his dominion.