pigskin
n.
"saddle leather," 1855, from pig, n. + skin, n.. As slang for "football" from 1894.
| 词汇 | pigskin | 
| 词根词缀 | Online Etymology Dictionary pigskin n. "saddle leather," 1855, from pig, n. + skin, n.. As slang for "football" from 1894. | 
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