Origin of au fait
"au fait." YourDictionary, n.d. Web. 15 October 2018. <http://www.yourdictionary.com/au-fait>.
au fait. (n.d.). Retrieved October 15th, 2018, from http://www.yourdictionary.com/au-fait
(comparative more au fait, superlative most au fait)
Borrowing from French au fait (literally “at fact”).
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