What's the difference between ectypal and ectype?

Ectypal

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Definition:

• (a.) Copied, reproduced as a molding or cast, in contradistinction from the original model.

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Ectype

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Definition:

• (n.) A copy, as in pottery, of an artist's original work. Hence:
• (n.) A work sculptured in relief, as a cameo, or in bas-relief (in this sense used loosely).
• (n.) A copy from an original; a type of something that has previously existed.

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