bka' rgyud
From Rangjung Yeshe Wiki - Dharma Dictionnary
Kagyu School. (IW)
oral transmission, succession, or promulgation of dogmatic principles of a buddha, Marpa, Naropa, Milarepa school (kar ma bka' rgyud, dge ldan bka' rgyud, dwags po bka' rgyud, 'bri gung bka' rgyud, 'brug pa bka' rgyud, shangs pa bka' rgyud). (JV)