My Suggestions

ngunĩko

n. · class 9/10

  1. cover; 2. lid; 3. stopper

Example: "Mbirika ya caai ĩigĩrĩirwo metha inĩ. Mbirika ĩno nĩyar angi mwerũ na ĩna rangi mũirũ hakuhĩ na ngunĩko yayo." — The tea pot has been placed on the table. This pot is white in color and has a black color near its handle.