yang dag pa'i mtha'

suchness/ emptiness/ dharmadhatu, the true goal, the essence of reality [IW]

furthest limit of purity/ reality [RB]

ultimate horizon, end of religion, essence of virtue [JV]

highest limit of reality; the true goal, True Goal, bhuta-koti. ultimate truth, emptiness. Syn stong pa nyid, de bzhin nyid [RY]