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Historical linguistics

Historical linguistics, also termed diachronic linguistics, is the scientific study of language change over time. Principal concerns of historical linguistics include: # to describe and account for observed changes in particular languages # to reconstruct the pre-history of languages and to determine their relatedness, grouping them into language families (comparative linguistics) # to develop general theories about how and why language changes # to describe the history of speech communities # to study the history of words, i.

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