adverb

Etymology

From French adverbe, from Latin adverbium, from ad- (“to”) + verbum (“word, verb”), so called because it is used to supplement other words.

noun

1. (grammar) A word that modifies a verb, adjective, other adverbs, or various other types of words, phrases, or clauses.
   ‘Fortunately your papa appreciates it; he appreciates it immensely’—that was one of the things Miss Overmore also said, with a striking insistence on the adverb. 1897, Henry James, What Maisie Knew
   (modifying a verb) I often went outside hiking during my stay in Japan.
   (modifying an adjective) It was often cold outside.
   (modifying another adverb) Not often.
2. (programming) In the Raku programming language, a named parameter that modifies the behavior of a routine.

verb

1. (rare) To make into or become an adverb.
   Considering these postpositional phrases to be adverbed phrases would be an insufficient analysis, since the postpositions are determined by the verb. 1973, Indian Linguistics, volume 34, page 241
   Even if, in the case of native speakers of English in particular, bonded adverbed verbs are always understood and used as entities, the different stages of théir formation are probably those I have just described. 1998, English linguistics
   Then, post-adverbially, they start over again from Square One, explaining that queer name of hers and who and where she is and what's going on here besides adverbing. 2005, John Barth, The Book of Ten Nights and a Night: Eleven Stories, page 8