What is thus. Note: This word is sometimes inserted in a quotation [sic], to call attention to the fact that some remarkable or inaccurate expression, misspelling, or the like, is literally reproduced called?

sic — Thus. Note: This word is sometimes inserted in a quotation [sic], to call attention to the fact that some remarkable or inaccurate expression, misspelling, or the like, is literally reproduced. (Webster's 1913.)