kun 'byung bden pa

the truth of the origin (of suffering) truth of the source of misery/suffering [2nd of the 'phags pa'i bden pa bzhi four noble truths rang 'bras nyerlen gyi phung po ste ma dag pa'i snod bcud thams cad skyedbyed kyi rgyur gyur pa'i las dang nyon mongs pa rnams te, dedag ni sdug bsngal kun 'byung ba nad kyi rgyu lta bu spang barbya ba yin pa 'phags pa'i gzigs ngor mi bslu bar snang bas kun'byung 'phags pa'i bden pa'o [IW]

the truth of the origin [of suffering]. truth of the source of misery / suffering 2nd of the 'phags pa'i bden pa bzhi. four noble truths; (Truth of the) origin of suffering [RY]