coo-coo · noun1
Imitative of the bird's song.
coo-coo · noun2
- Akan · derived fromkukú
- Yoruba · derived fromkuuku“corn dumpling”
- English todaycoo-coo
Ulitmately from various west African languages, as Yoruba kuuku (“corn dumpling”) and Akan kukú.
Etymology from Wiktionary, CC BY-SA 4.0.