sheepskin
n.
c.1200, "the skin of a sheep," from sheep + skin, n.. Meaning "diploma" dates from 1804; so called because formerly made of sheepskin parchment.
| 词汇 | sheepskin | 
| 词根词缀 | Online Etymology Dictionary sheepskin n. c.1200, "the skin of a sheep," from sheep + skin, n.. Meaning "diploma" dates from 1804; so called because formerly made of sheepskin parchment. | 
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