So

Boyd’s Bible Dictionary:

A king of Egypt with whom Hoshea formed an alliance against Assyria
The discovery of this led to the imprisonment of Hoshea, the siege and capture of Samaria, and the captivity of the ten tribes of Israel ({vi 9988;9990}2 Kings 17:4,6).

Concise Bible Dictionary:

King of Egypt. See EGYPT.

Jackson’s Dictionary of Scripture Proper Names:

concealed: conspicuous