Mouanko is a town and commune in the Littoral Region of Cameroon, lying on the north bank of the Sanaga River. It is the main town of the Douala Edéa Wildlife Reserve. (Wikipedia)
The name used in the village is "Mouanko"; often misspelled.
Often referred to Fp. fallax "Mouanko" (or "Mouanka") which is an interesting opinion.