The sort of compound words which we're discussing appear by a process of synthesis: https://en.wikipedia.org/wiki/Synthetic_language https://en.wikipedia.org/w

The sort of compound words which we're discussing appear by a process of synthesis: https://en.wikipedia.org/wiki/Synthetic_language https://en.wikipedia.org/wiki/Synthetic_language See also: agglutination https://en.wikipedia.org/wiki/Agglutination https://en.wikipedia.org/wiki/Agglutination A portmanteau is different, where parts of several words are blended, rather than retaining the substance of each word in a compound. https://en.wikipedia.org/wiki/Blend_word https://en.wikipedia.org/wiki/Blend_word And let's not forget xkcd's coinage of the malamanteau: https://xkcd.com/739/ https://xkcd.com/739/