What is the X in X-mas?
mid-14c., "to set right, rectify" (a fault or error), from Latin correctus, past participle of corrigere "to put straight, reduce to order, set right;" in transferred use, "to reform, amend," especially of speech or writing, from com-, intensive prefix (see com-), + regere "to lead straight, rule" (see regal). Originally of persons; with reference to writing, etc., attested from late 14c. Related: Corrected; correcting.
1670s, from French correct "right, proper," from Latin correctus (see correct (v.)). Related: Correctly; correctness.
correct cor·rect (kə-rěkt')
v. cor·rect·ed, cor·rect·ing, cor·rects
To remove, remedy, or counteract something, such as a malfunction or defect. adj.
Free from error or fault; true or accurate.