bka' bsdu ba gsum
From Rangjung Yeshe Wiki - Dharma Dictionnary
བཀའ་བསྡུ་བ་གསུམ།
three councils. (IW)
three councils: [1) in Rajagriha in the year following the buddha's final nirv na 2) at Vaish l during the reign of vigat shoka, 110 years after the Buddha's parinirvana 3) during the reign of kani hka. (IW)
three councils: 1) at Rajgir. 2) Vaishali. and #; Three Councils. 1) The first was convened in Rajagriha in the year following the Buddha's final nirvana. 2) The second was convened at Vaishali during the reign of Vigatashoka. 3) the third was convened during the reign of Kanishka. (RY)