fossa (2)youdaoicibaDictYouDict
"A large nocturnal reddish-brown catlike mammal of the civet family, found in the rainforests of Madagascar", Mid 19th century: from Malagasy fosa.
BakayoudaoicibaDictYouDict
"A member of a nomadic Pygmy people inhabiting the rainforests of south-eastern Cameroon and northern Gabon", Perhaps from Lingala Ba-aka 'Pygmies'.