The E-flat half-diminished seventh chord (abbreviated "Ebm7(b5) chord") is a four-note chord consisting of the notes E♭, G♭, B♭♭, and D♭. The chord is formed by lowering the fifth of a E-flat minor seventh chord a half step.
E-flat half-diminished seventh chord
E-flat half-diminished chord E-flat minor seventh flat five chord
E♭ G♭ B♭♭ D♭
1 ♭3 ♭5 ♭7
E♭ø E♭ø7 E♭m7b5 E♭–7(b5) E♭mi7(b5) E♭min7(b5)
tetrad (four-note chord)