People who study, teach, or write about the rules of language and grammar.
From Latin 'grammaticus' (relating to letters or grammar) plus the agent suffix '-ian', making it 'one who studies grammar.' The word entered English in the 14th century as scholars became increasingly formal about language rules.
Grammarians have been around since ancient Rome and Greece, but they became especially powerful during the Victorian era when strict grammar rules were seen as a mark of intelligence and social class—even though language is constantly changing!
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