adjunct
noun
adjective

Origin:
early 16th century (as an adjective meaning 'joined on, subordinate'): from Latin adjunctus, past participle of adjungere (see adjoin)

Grammar
Adjuncts are adverbials that add more information to a sentence. They can provide additional information about: where things happen At low tide you can cross the bays on the beach. when things happen I cannot sleep at night. how things happen I found out how to do this by accident. why things happen No one is turned away because of a lack of means. the purpose of an action I still send her a Christmas card each year for old times' sake. condition (If this happens, then that happens.) Leslie had left no letter for me to read in the event of his death. concession (Even if this happens, still that happens.) Despite all its efforts, America still has its racists. degree (Answering the question ‘How much?’) I wouldn’t worry at all.