- theme (n.)
- c.1300, from Old French tesme (13c., with silent -s-), from Latin thema "a subject, thesis," from Greek thema "a proposition, subject, deposit," literally "something set down," from root of tithenai "put down, place," from PIE root *dhe- "to put, to do" (see factitious). Extension to music first recorded 1670s; theme song first attested 1929. Theme park is from 1960.