cahier
n.
"exercise book," c.1845, from French cahier "writing book, copy-book," from Old French cayer, originally quaier "sheet of paper folded in four" (see quire).
| 词汇 | cahier | 
| 词根词缀 | Online Etymology Dictionary cahier n. "exercise book," c.1845, from French cahier "writing book, copy-book," from Old French cayer, originally quaier "sheet of paper folded in four" (see quire). | 
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