glosso-youdaoicibaDictYouDict[glosso- 词源字典]
before vowels gloss-, word-forming element meaning "tongue," from Greek glosso-, used as a comb. form of glossa (Attic glotta) "tongue" (see gloss (n.2)). Also sometimes meaning "gloss, word inserted as explanation," as in glossography "the writing of glosses."[glosso- etymology, glosso- origin, 英语词源]