lu gu rgyud

ལུ་གུ་རྒྱུད
(self-perpetuating) continuum; interlinking (manner) [RB]

chain, "string of lambs," rope to which lambs are tied in a series, * 1 after another, successively [IW]

chains, "string of lambs". continuum; interlinking (manner); rdo rje + vajra chains [RY]

rope to which lambs are fastened, loop, chain, knotted rope, any chain or rope connected or knotted with another, infinite series, threads [JV]