Steinert App Dictionaries/06-Hopkins-Comment/1491

sa

earth is one of the four tangible objects that are elements ('byung bar gyur pa'i reg bya); the others are: fire (me); water (chu); and wind (rlung); Other examples of grounds are: nyan thos kyi sa = ground of Hearers; rang sangs rgyas kyi sa = ground of Solitary Realizers; lus kyi gnad che sar = at important places in the body\n(PH) Def. too long