上孫本反正損字也從手從員下搜救反聲類云瘦瘠也考聲疲羸也文字典說云[爿-〡+(厂@叟)][爿-〡+(厂@省)]也從[爿-〡+厂]叜聲[爿-〡+(厂@脊)]音情亦反[爿-〡+(厂@省)]音生鯁反叜正叟字經作瘦非也