mtshan sngags

མཚན་སྔགས
mantra containing the name (sometimes the secret name of the master invoked) [JV]

name mantra [RY]

Name Mantra. A mantra which includes or alludes to the name of a specific deity or guru/lama, often translating their Tibetan name into Sanskrit and inserting it into the mantra in the case of lama's Name Mantras. [Erick Tsiknopoulos]