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xyster (n.)
[xyster 词源字典]
"surgical instrument for scraping bones," 1680s, from Greek
xyster
"a graving tool," from
xyein
"to scrape," from PIE root
*kes-
(1) "to scrape."
[xyster etymology, xyster origin, 英语词源]
[xyster 词源字典]