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2017 Word of the Year

diachrony

[dahy-ak-ruh-nee] /daɪˈæk rə ni/
noun, plural diachronies.
1.
Linguistics.
  1. a diachronic approach to language study.
  2. change or development in a linguistic system over a period of time.
2.
historical change.
Origin of diachrony
1955-1960
First recorded in 1955-60; diachron(ic) + -y3
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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