RELICT

I. noun Etymology: in sense 1, from Middle English ~e, from Late Latin ~a, from Latin, feminine of ~us, past participle of relinquere; in senses 2 & 3, from ~ residual, adjective, from Latin ~us Date: 15th century widow , a surviving species of an otherwise extinct group of organisms, 3. a relief feature or rock remaining after other parts have disappeared, something left unchanged, II. adjective Date: 15th century of, relating to, or being a ~