What is wormtongue meaning?

Wormtongue is a fictional character in J.R.R. Tolkien's novel, "The Lord of the Rings." He is a sly, manipulative advisor to King Théoden of Rohan, who uses his silver tongue to sow discord and confusion among the kingdom's leaders. The name "Wormtongue" is a derogatory nickname that reflects his deceptive nature and his ability to twist words to his advantage. It is often used to describe someone who is insincere, untrustworthy, or manipulative in their speech.