emboss (v.)youdaoicibaDictYouDict[emboss 词源字典]
"to ornament with raised work," late 14c., from Old French *embocer (compare embocieure "boss, stud, buckle"), from assimilated form of en- "in, into" (see en- (1)) + boce "knoblike mass" (see boss (n.2)). Related: Embossed; embossing.[emboss etymology, emboss origin, 英语词源]