Padding
来自Big Physics
mid 16th century (in the sense ‘bundle of straw to lie on’): the senses may not be of common origin; the meaning ‘underpart of an animal's foot’ is perhaps related to Low German pad ‘sole of the foot’; the history remains obscure.
etymonline
padding (n.)
"material used in stuffing, stuffing used to keep a garment in the desired shape," 1828, verbal noun from pad (v.2).
