Pidgin, Cameroon (wes-wes) = 3 (Wider communication). Originated along the west coast of Africa from Sierra Leone through Nigeria to Cameroon around 1800 and used as a trade language. Now the most widespread lingua franca in Cameroon, used by about half the population.
Glottolog
[wes] at ISO 639-3
[wes] at OLAC
[wes] at IMTVault
Cameroon Pidgin English at APiCS