it is buried (by someone), "they" bury it; it is covered (by someone) with something (soil, sand, snow, leaves, etc.), "they" cover it with something (soil, sand, snow, leaves, etc.)
ningwa'igaade 0s ind; ningwa'igaadeg 0s conj; nengwa'igaadeg 0s ch-conj; Stem: /ningwa'igaade-/