Word Class: noun/prefix
yam, taproot (edible part of root of such plants as lhawumag, riija, and yaynjug)
Notes: , NCder -nguman, attested as ni-nguman NcNa taproot (of yaynjug tree, q.v.). 121.3.3. In Mana class form ma-nguman can be applied to potatoes (recently introduced food).