フランス語のmelodrame, cabaretから、ギリシャ語のmelos, songから、語源はmelody, rhyme, melody, drama, theatreと同じ。ロマンチックなキャバレー、メロドラマ、メロドラマ、大衆演劇から派生。
The melodramatist's task is to get his characters labelled good & wicked in his audience's minds, & to provide striking situations that shall provoke & relieve anxieties on behalf of poetic justice. [Fowler]