From avɔ̀ (“cloth”) + nyà (“to wash clothes”) + -tɔ́ (“agent prefix”). Cognates include Fon avɔnyatɔ́, Adja enunyàtɔ
avɔ̀nyàtɔ́ (plural avɔ̀nyàtɔ́ lɛ́) (Benin)