My Suggestions

njahi

n. · class 9/10

  1. seed of lablab bean (Dolichos lablab) (black with white mark at hilum or brown speckled with white) used as food; crop of beans of this type

Example: mũcahi, mi-, n. lablab bean-stalk. gĩcahi, i-, n. 1. clump of bean plants. 2. large bean. icahi, ma-, n. leaf of this bean plant