1To find fault with, express disapproval of. Compare "commend". Now somewhat rare.
2To mention or present (a thing, course of action) as undesirable or inadvisable; to speak of dissuasively.
3To invite disapproval of; to cause to be unfavourably viewed or received. Now somewhat rare.
Late Middle English; earliest use found in Reginald Pecock (c1392–?1459), bishop of Chichester and religious author. From dis- + commend.