numpa- caus. this prefix encodes a causative agent and cross-references that person; past tense. Hi Maria di numpabayu. Maria had rice pounded. Dahdiy numpataluh libutan? Who had the pouch hidden? Nan hakit nay numpapalak ke ha-on. It’s the pain that made me groan. Sim: mumpa-. (sem. domains: 9.2.9.1 - Verb affixes.)