mkhyen rgya can

possessed of great/ vast learning/ understanding [IW]

possessed of much understanding, very learned [JV]

whose vast knowledge [RY]

1) of, having or possessing vast knowledge, extensive knowledge, vast understanding, extensive understanding, vast learning, extensive learning; 2) one who has or possesses vast knowledge, extensive knowledge, vast understanding, extensive understanding, vast learning, extensive learning. [Erick Tsiknopoulos]