Pitch can mean how high or low a sound is, or a field where sports like soccer or cricket are played, or a persuasive talk meant to sell something.
The sound sense comes from Old English 'pic' possibly related to 'point', referring to the 'height' of a tone. The field sense likely comes from 'pitching' or setting up a playing area, while the sales sense relates to 'pitching' an idea forward.
It’s wild that 'pitch' can be your voice’s height, a soccer field, and a sales talk—all linked by the idea of 'setting' a level or 'throwing' something out. When a singer changes pitch, they’re literally adjusting the frequency of air vibrations hitting your ears.
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