mchog gi dngos grub

supreme accomplishment; sublime siddhi/ spiritual accomplishment, supreme attainment [RY]

sublime spiritual attainment/ siddhi [RB]

supreme attainment, supreme accomplishment GD [IW]

bla na med pa'i dngos grub ste 'jig rten las 'das pa'i dngos grub,.. [IW]

Supreme siddhi. The state of complete enlightenment [RY]

buddhahood, supreme attainment, supreme attainments, obtainment of complete spiritual realization [JV]