The palace of the king’s house - The tower of the king’s house. A particular part of the palace - either the “harem,” or, more probably, the keep or citadel, a tower stronger and loftier than the rest of the palace.
Zimri’s desperate act has been repeated more than once. That the last king of Assyria, the Sardanapalus of the Greeks, thus destroyed himself, is almost the only “fact” which we know concerning him.