portmanteau
n.a word made by combining parts of two or more words, like 'brunch' from 'breakfast' and 'lunch'.
n.a compound word formed by blending parts of two or more words, typically retaining the initial syllables of each source word.
“Brunch is a portmanteau of 'breakfast' and 'lunch'.”
“The company created a new product name that's a portmanteau of 'smartphone' and 'watch'.”
“Oxford English Dictionary notes that 'portmanteau' itself is a portmanteau of French 'porte-manteau' (meaning 'clothes carrier') and 'manteau' (coat).”
Typically preceded by articles ('a portmanteau') and often modified by adjectives describing the blend ('creative portmanteaus').
“So even though Pocognoli’s middle name, Jean, gave him a bit of a portmanteau open goal, he didn’t ask to be called Jockognoli.”
From Middle French portemanteau, from porte (“carries”) + manteau (“coat”), literally “[that which] carries coat”.
First used by Lewis Carroll in Through the Looking-Glass to describe the coined words in Jabberwocky.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.