संस्‍कृतशब्‍दकोशः

चूर्णपेषम्

चूर्ण बनाते हुए

to grind so as to pulverise

Monier–Williams

चूर्णपेषम् — {peṣam} ind. (with √{piṣ}, to grind) so as to pulverise 3-4, 35