The word "慈母" is formed by combining the character "慈", meaning kindness or compassion, with "母", meaning mother. "慈" is structurally composed of the radical "心" (heart), indicating a quality related to emotion, and the component "兹", which primarily suggests pronunciation. "母" is a pictographic character representing motherhood. Together, they create a compound where "慈" descriptively modifies "母" to convey the specific concept of a kind or loving mother.