Tibetan: དབུ་མ་, Wylie: dbu ma, Sanskrit: madhyamāpratipad. aka Madhyamaka. Teaching on emptiness first expounded by Nāgārjuna and considered to be the basis of the Secret Mantrayāna (aka
Tibetan: རི་རབ་, Wylie: ri rab, Sanskrit: sumeruparvata. Immense mountain, square in shape and wider at the top than at the bottom, surrounded by the four