1350-1400;Middle Englishcoment < Latincommentum device, fabrication (Late Latin: interpretation, commentary), noun use of neuter of commentus (past participle of comminīscī to devise), equivalent to com-com- + men- (base of mēns, mentismind) + -tus past participle ending
c.1400, L. commentum in L.L. "comment, interpretation," lit. "invention," neut. pp. of comminisci "to contrive, devise," from com- intens. prefix + base of meminisse "to remember," related to mens (gen. mentis) "mind." Original L. meaning was "something invented;" taken by Isidore and other Christian theologians for "interpretation, annotation." The verb is from c.1450. No comment as a stock refusal to answer a journalist's question is first recorded 1950, from Truman's White House press secretary, Charles Ross.