Is the place where ancient eunuchs performed surgery called silkworm room?

The place where the eunuch cleaned himself was called the silkworm room.

"History of Han Dynasty * Biography of Zhang Anshi" Yan Shigu notes: "Anyone who raises silkworms wants it to be warm and long, so keeping fire is a secret room." The new corruption punishment is also a stroke, which needs to be completed in the secret room, because it is called silkworm room ear. "

People who raise silkworms want to make them feel warm, spin silk early, and make a secret room to keep warm. There is also the possibility of a stroke when corruption is carried out, and it needs to be preserved in a closed chamber, so it is called a silkworm room.