Chords — Minor ii–V–i in C Minor (half-diminished ii)

The minor-key jazz cadence Dm7♭5–G7–Cm7: the ii chord is half-diminished (iiø7) because D–F–A♭–C is built from C minor, and the V7 takes the raised leading note B♮ from the harmonic minor before resolving to the tonic minor seventh.