buni 1comm. hardened, brown betelnut which cannot be chewed. Buni nan moma nah saku. The betelnut in the sack is unchewable. 2sta. for coconut meat to become brown and crusty. Mabuni nan niyug hin adiyu alan. The coconut meat will become brown and crusty if you don’t get it. ma‑/na‑.
