prosody
pros.o.dy \'pra:s-*d-e-\ n [ME, fr. L prosodia accent of a syllable, fr. Gk proso-idia song] sung to instrumental music, accent, fr. pros in addition to + o-ide- song - more at PROS-, ODE 1: the study of versification; esp : the systematic study of metric al structure : METRICS 2: a particular system, theory, or style of versification