Abiku is a word in Yoruba. The word is derived from Yoruba: (abiku) "predestined to death", which is from (abi) "that which possesses" and (iku) "death". Abiku refers to the spirits of children who die before reaching puberty; a child who dies before twelve years of age being called an Abiku, and the spirit, or spirits, who caused the death being also called Abiku.