sordino
Concise Oxford English Dictionary © 2008 Oxford University Press:
sordino /sɔːˈdiːnəʊ/
▶noun (pl. sordini /-ni/) Music a mute for a musical instrument.
■ (sordini) (on a piano) the dampers.
– origin C16: from Ital., from sordo ‘mute’, from L. surdus.
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