noun
缩合词，合并词（由一个词的词首和另一个词的词尾合成） a word that is invented by combining the beginning of one word and the end of another and keeping the meaning of each. For example motel is a portmanteau word that is a combination of motor and hotel .
数据来源：WordNet
The word e-tailer is a portmanteau word derived from'electronic'and'retailer ' , in a similar way to'e-mail ' .
E-tailer是electronic和retailer两个词组合而成的，与e-mail这个词的构成方式一样。
portmanteau word