forsooth
\fawr-SOOTH\
adverb
1. Archaic. (now used in derision or to express disbelief) in truth; in fact; indeed.
Quotes
…but he is a gentleman forsooth, though he had not cloths on his back when he came hither first.
-- Henry Fielding, The History of Tom Jones, a Foundling, 1749
Origin
Forsooth has existed in English since before 900, and derives from the Old English forsōth.
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