'gyur ba'i byed rgyu

invariable, unchanging, immutably, unchangeable, infallible [JV]

'gyur pa med pa changeless, unchanging, unswerving, immutable, permanent, imperishable, unchangeable, eternal, unwavering, immovable, unalterable, incommutably, undeviating, imperturbable, abiding, adamantine; changeless(ness) [RY]

changeless(ness) [RB]

changeless, permanent, imperishable [IW]

changeless, [unchanging, unswerving, immutable, permanent, unperishable, unchangeable, eternal, unwavering, immovable, unalterable, incommutable, undeviating, imperturbable, abiding, adamantine. stably established.] [IW]