Proposed to have derived from Proto-Yoruboid *ɛ́-lʊ̃ or Proto-Yoruboid *á-rʊ̃ã. Cognates include Yoruba ẹnu, Ifè arũ, Igbo ọnụ (“mouth”), Igala álu (“mouth”), Ayere anu, Àhàn arũ, Akpes onu, Arigidi orũ, and Ewe nu (“mouth”)
ɛnu
