Relating to or characteristic of a dialect; showing the distinctive features of a particular regional or social variety of a language.
From 'dialect' (from Greek 'dialektos,' a way of speaking) + '-al' suffix. Emerged in the 18th century as linguistics became a formal study.
Dialectal features like accent, pronunciation, and unique words aren't mistakes—they're linguistic fossils that show how languages split and evolved as groups of people moved apart!
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