adjunct
(ˈædʒʌŋkt) noun 1 something incidental or not essential that is added to something else
2 a person who is subordinate to another
3 grammar a part of a sentence other than the subject or the predicate
b (in systemic grammar) part of a sentence other than the subject, predicator, object, or complement; usually a prepositional or adverbial group
c part of a sentence that may be omitted without making the sentence ungrammatical; a modifier
▷ adjective 5 added or connected in a secondary or subordinate position; auxiliary
[C16: from Latin adjunctus, past participle of adjungere to adjoin]
> adjunctive (əˈdʒʌŋktɪv) adjective
> adjunctively (əˈdʒʌŋktɪvlɪ) adverb
> ˈadjunctly adverb