"Brittonicism" meaning in English

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  "etymology_text": "Brittonic + -ism",
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          "ref": "1985, P. Sims-Williams, “Some Functions of Origin Stories in Early Medieval Wales”, in T. Nyberg et al., editors, History and Heroic Tale: A Symposium, Odense UP, page 109",
          "text": "There are number of obvious Brittonicisms in the Latin, and this perhaps has something to do with the fact that the source cited is a layman -- a cyfarwydd perhaps, doing a job for the Church without demanding his customary payment.",
          "type": "quotation"
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        {
          "ref": "2003, Hildegard L. C. Tristram, The Celtic Englishes III, Heidelberg: Universitätsverlag C. Winter, page 43",
          "text": "That in learning the Old English language these Britons engaged in a fair amount of simplification or modeling, with the result that simplifications or Brittonicisms, which often amount to the same thing, were introduced into and became predominant in the lower-class speech of Brittonic areas, which included most of the country.",
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        "A Brittonic feature of a language."
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        "(linguistics) A Brittonic feature of a language."
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  "word": "Brittonicism"
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