bahuvrihi

noun, plural ba·hu·vri·his.

1. Grammar. a compound noun or adjective consisting of two constituents, the first of which is adjectival and describes the person or object denoted by the second, which is nominal: the compound as a whole denotes or describes a person or object having what is denoted by the second element, as bonehead, heavy-handed, redcoat.

noun linguistics

1. a class of compound words consisting of two elements the first of which is a specific feature of the second
2. a compound word of this type, such as hunchback, bluebell, highbrow