A state or quality of being equal in sound or tone; sonic equilibrium.
From Latin 'equus' (equal) and 'sonus' (sound). Formed in English during the 19th century as a technical term combining these Latin roots to describe acoustic equality.
This word reveals how scientists and musicians created new vocabulary by combining Latin roots—it's like building blocks for technical language. Most 'equi-' words follow this same pattern, showing how English borrowed heavily from Latin to describe precise, mathematical concepts.
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