Her·​cyn·​i·​an | \ (¦)hər¦sinēən\

Definition of Hercynian

1 : of or relating to an extensive mountain range covered with forests in ancient Germany
2 : of or relating to the folding and mountain building that took place in the eastern hemisphere in late Paleozoic time — see Geologic Time Table

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History and Etymology for Hercynian

Latin Hercynia (silva) Hercynian forest + English -an

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to gather or build up little by little

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