古 - old

ancient and modern times; all ages; past and present

secondhand book

ancient writing (Edo-period or older); classical literature

ancient times; prehistoric times

used car; secondhand car

historical document; archives; old manuscript; paleograph

archaeology; archeology

worn-out shoes; worn-out socks

antiquity; ancient times; bygone days; former times

classical; classic

used; second-hand; old

old castle; old fortress