Bahasa Jepangnya “menumbuk padi”

mengupas kulit padi; menumbuk padi; memoles beras; menempa bijih

to hull (rice, barley, etc.); to pound (rice); to polish (rice); to stamp (ore)

beras putih; menumbuk padi hingga terkelupas; beras giling

polished rice; husking rice with a mortar and pestle; white rice