srid gsum

the three worlds/realms [IW]

Three Spheres of Existence. The nether world of the nagas sa 'og klu'i srid pa the surface world of humans sa'i steng mi'i srid pa and the upper world of gods gnam steng lha'i srid pa; [TRS 71-4]; the three worlds / realms. desire, form, and formless, the three levels of existence / becoming, the three worlds / realms. desire, form, and formless, the three levels of existence / becoming, see also srid pa gsum [RY]

three worlds, 3 realms of existence, three spheres of existence (deities, humans and nagas; passion, form, without form), three dimensions of existence, three existences, three spheres of existence dominated by lha, gnyan and klu [JV]

three planes/ states of (conditioned) existence [RB]