umba' verb English. Plants by twos, regularly of sugarcane and cassava. Example sentence: Subanen. Kig banggala muka' tebu, sa' pemulaan, subay pegumba'en, pu' iin ig betaden. English. When cassava or sugarcane are planted, two stalks must be planted together, because that is the way to do it. Synonym. lumpid c.f. apid