ku̱lu̱na (Var. ku̱lu̱na-luna) v. become dark in colour Bicu byaluna-lu̱ni̱ye mbu̱la eli haai kutoona. The clouds have become dark it is about to begin raining. [8.3.3.3.4 - Colors of the spectrum], [1.1.3 - Weather], [8.3.3.2 - Dark], [8.3.3.3 - Color], [8.3.3.3.2 - Black]