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Sense: 1
Date: 1400-1500
Origin: accord
Sense: 2-3
Date: 1500-1600
Origin: cord; influenced by Latin chorda ( CORD) (
Sense: 2
Date: (17-19 centuries)
Origin: chord 'string of a musical instrument' )

chord

noun
     
Related topics: Music, Maths
chord [countable]
1APM a combination of several musical notes that are played at the same time and sound pleasant together
2

strike/touch a chord (with somebody)

to do or say something that people feel is familiar or true:
Many of the things she says will strike a chord with other young women.
He knew that what he was saying had touched a chord.
3HM technical a straight line joining two points on a curve
! Do not confuse with cord (=thick string), which has the same pronunciation.

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