From Proto-Igboid *ɓʊ́̃-ǹ-dʊ̀̃. Cognate with Ekpeye bʊ́dʊ̀, Ogbah ńdʊ̀̃, Ezaa ńdzʊ̀, Izi ńdzʊ̀[1]
ndụ̀