संस्‍कृतशब्‍दकोशः

Monier–Williams

निम्रुच् — {ni-√mruc} P. {-mrocati}, to set, disappear (as the sun)

निम्रुच् — {ni-ḍmrúc} f. id. &c##mfn. slack, loose iv, 3, 6