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Diapason

/ˌdaɪəˈpeɪzən/noun

The full range of a voice or instrument, and the principal stops that give an organ its basic tone.

The Greek roots

διά
diá
through, across
+
πασῶν
pasôn
of all (the strings)

Literally: through all the strings

The story of the word

Greek theorists described the octave as ἡ διὰ πασῶν χορδῶν συμφωνία, the concord through all the strings, and centuries of use wore the phrase down to its middle. English took it in the 14th century for the whole compass of a sound, then for the organ ranks that carry the instrument's core voice. Dryden closes his Song for St Cecilia's Day on the word, because he wants the sound of everything at once.

How it travelled
Ancient Greek → Latin → Old French → English
First recorded
late 14th century

Same family

diameterdiagonaldialoguepanoramapandemic

In a sentence

The organist pulled the open diapason and the floor moved.

Rain on the roof built to a diapason that drowned the record.

Built on the same root

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