According to etymonline[1] >Monetary sense of "enlargement of prices" (originally by an increase in the amount of money in circulation) first recorded 1838 in

According to etymonline[1] >Monetary sense of "enlargement of prices" (originally by an increase in the amount of money in circulation) first recorded 1838 in American English. I also found this pdf from the Federal Reserve Bank of Cleveland called On the Origin and Evolution of the Word Inflation[2] that goes into more detail. [1] https://www.etymonline.com/word/inflation https://www.etymonline.com/word/inflation [2] https://www.clevelandfed.org/-/media/project/clevelandfedtenant/clevelandfedsite/publications/economic-commentary/1997/ec-19971015-on-the-origin-and-evolution-of-the-word-inflation-pdf.pdf https://www.clevelandfed.org/-/media/project/clevelandfedten...