simon-pure en · ADJ
Etymology
From the phrase "the real Simon Pure" (the true person or article), from the character Simon Pure (who is impersonated by another, and obliged to prove his identity) in Susanna Centlivre's 1717 play A Bold Stroke for a Wife.
Meanings
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(not-comparable) Absolutely pure; genuine, authentic.
‘Art says the Prince Consort's bloodline is dreadfully polluted, while Ruthven's is simon-pure.’
1992, Kim Newman, Anno Dracula, Titan Books, published 2011, page 124: