adverbial

adjective

ad·​ver·​bi·​al ad-ˈvər-bē-əl 

: of, relating to, or having the function of an adverb

an adverbial phrase

adverbial noun

adverbially

ad-ˈvər-bē-ə-lē 

adverb

Word History

Etymology

borrowed from Late Latin adverbiālis, from Latin adverbium adverb entry 1 + -ālis -al entry 1

First Known Use

15th century, in the meaning defined above