rang gzhan gnyis ka'i don sgrub pa

rang gzhag natural (state of) rest/ settling; to rest/ settle in and of itself; self-settling/ deciding; self-affirming [RB]

self-settledness in its natural state, self-settled, remain as itself [JV]

self-contained. Longchenpa: Syn rang gnas [RY]

self settled, remain as itself; letting it take its natural shape, left to itself, absorption in one's own being [RY]

letting it take its natural shape, left to itself, absorption in 1's own being [IW]