👉 Tumtum is a term in Korean language that means "malignant tumor" or "cancerous cell". It's often used to describe a type of cancer, which can be either benign (non-cancerous) or malignant. The word "tumtum" comes from the Ancient Greek word "tumhēs", meaning "to grow", and is derived from the root words "tum" (meaning "to grow") and "-tum" (