संस्‍कृतशब्‍दकोशः

उन्मृजावमृजा

खूब रगड़ना या मांजना

rubbing up and down

Monier–Williams

उन्मृजावमृजा — {unmṛjâvamṛjā} f. any act in which it is said {un-mṛja}! {ava-mṛja}! ('rub up and down'##with irr. Impv.), g. {mayūra-vyaṃsakâdi} Pāṇ. 2-1, 72