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pedals
The wor pedal comes from the Latin (pes, Pedis) and relates to the foot.
Trivia about pedals
Commonly, pianos have about 3 of these; modern pipe organs have 32
The orchestral harp has 7 double-action ones, each controlling one string in every octave
The modern harp has 47 strings & 7 of these to raise the strings' pitch