prosody

noun
1
the patterns of sounds and rhythms in poetry; the study of this
وزن شعر, علم عروض, موسیقی شعر
2
the part of phonetics that deals with stress and intonation as opposed to individual speech sounds
علم آهنگ و وزن کلام, علم زیروبمی و وزن گفتار, وزن شناسی