An archaic or dialectal term of uncertain meaning, possibly relating to a type of creature, plant, or object (historical documentation is sparse).
An obscure Middle or Early Modern English word with unclear etymology; possibly related to archaic or regional dialect vocabulary that has not survived into modern English.
Heynne is one of those ghost words in historical texts where we find it mentioned once or twice and then never again—it might be a scribal error, a regional dialect word, or something scholars just haven't figured out yet.
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