portmanteau
noun
[ pɔːtˈmantəʊ ]
• a large travelling bag, typically made of stiff leather and opening into two equal parts.
• a word blending the sounds and combining the meanings of two others, for example motel or brunch.
• "podcast is a portmanteau, a made-up word coined from a combination of the words iPod and broadcast"
Origin:
mid 16th century: from French portemanteau, from porter ‘carry’ + manteau ‘mantle’.