Portmanteau

I had never heard of it, yet we use it all the time ...Portmanteau :
A portmanteau or portmanteau word is used broadly to mean a blend of two (or more) words. A blend is a word formed from parts of two other words.
examples :
do + not = don’t , a single word that represents the meaning of the combined words.
breakfast + lunch = brunch
smoke + fog = smog
In 1964, the newly independent African republic of Tanganyika and Zanzibar chose the portmanteau word Tanzania as its name.
Bill Clinton + Hillary Rodham Clinton = Billary

Spanish + English = Spanglish

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Etymology :
coined by Lewis Lewis Caroll in Through the Looking-Glass.
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do not confuse with :
portemanteau : coat stand, coat rack
etymology : French- porte + manteau
:cool:

interesting, Frank. Never heard the word either.

Portugués+ Español: Portañol
Francés + Español: Frañol

There are tons...

Thanks, Sandra T, for your contribution. I had just been using a portmanteau word in one of my previous posts: "amigovio": amigo + novio...
We use these word combinations all the time but I did not know there was a term that defined them...Interesting, indeed!:p

...which just reminded me of some portmanteu word used by my grandma to refer to something similar...

marinovio= marido + novio

It's used to refer to a relationship in which they live together but they're not officially married, and it's not a nice word, by the way...mainly used by old people who are against that type of relations!;)