The word 恐怕 is formed by combining the characters 恐 and 怕, both of which individually convey meanings related to fear or dread; 恐 means "to fear" or "dread", and 怕 means "to be afraid" or "fear". Their combination creates a compound word that intensifies the sense of apprehension, which in modern usage functions as an adverb expressing concern or uncertainty, meaning "I'm afraid that" or "perhaps".