portmanteau word

US /pɔːrtˈmæntoʊ wɜːrd/
UK /pɔːrtˈmæntoʊ wɜːrd/
"portmanteau word" picture
1.

mot-valise

a word blending the sounds and meanings of two or more other words, for example 'smog' from 'smoke' and 'fog'.

:
The term 'brunch' is a portmanteau word, combining 'breakfast' and 'lunch'.
Le terme 'brunch' est un mot-valise, combinant 'petit-déjeuner' et 'déjeuner'.
'Smog' is a classic example of a portmanteau word, from 'smoke' and 'fog'.
'Smog' est un exemple classique de mot-valise, issu de 'smoke' et 'fog'.