Portmanteau word
word blending the sounds and combining the meanings of two or more others (e.g. smoke + fog → smog) / From Wikipedia, the free encyclopedia
A portmanteau word (/pɔːrtˈmæntoʊ/ (listen)) is made of other words, or parts of words. It comes from putting two (or more) other words together,[1] like motel, from motor and hotel.[2]