Meaning

verb yield to another's wish or opinion

verb take on duties or office

verb to agree or express agreement

originFirst attested in the early 15th century. From Middle English acceden, from Latin accēdō (“approach, accede”), formed from ad (“to, toward, at”) + cēdō (“move, yield”) (English cede). Compare French accéder. Unrelated to ascend, aside from the common ad prefix.

Etymology from Wiktionary, CC BY-SA 3.0