Английский разговорный словарь (основной) - pianissimo
Pianissimo
pianissimo
pjæˈnɪsɪməuadj., adv., & n. Mus. --adj. performed verysoftly. --adv. very softly. --n. (pl. -os or pianissimi) a passage to be performed very softly. [It., superl. of PIANO(2)]