nyer len

ཉེར་ལེན
perceptions rang gi nyer len dbang du ma gyur bar Without having mastered your own perceptions [RY]

upadana, take up, appropriate, substantial cause, epithet for zab bcas [JV]

the original cause/ the cause of causes; nye bar len pa cause, substantial cause. [alt.] [closely] acquiring, grasping, substantial cause [RY]

[substantial] cause [alt] [closely] acquiring, grasping, perpetuating, continually/ repeatedly producing in 1's being and gasping as supreme, earnestly arousing, take [IW]