yà
to grind, to calender, to polish; to roll with a stone roller
to calender
Ideographic: Stone 石 used as teeth 牙; 牙 also provides the pronunciation
Made of 石 + 牙
呀亚压牙雅娅押讶丫鸭鸦涯哑崖芽衙岈轧痖睚蚜伢