debate (v.) Look up debate at Dictionary.com
late 14c., "to quarrel, dispute," also "discuss, deliberate upon the pros and cons of," from Old French debatre (13c., Modern French débattre), originally "to fight," from de- "down, completely" (see de-) + batre "to beat" (see battery). Related: Debated; debating.
debate (n.) Look up debate at Dictionary.com
early 14c., "a quarrel, dispute, disagreement," from Old French debat; see debate (v.). Sense of "a formal dispute, a debating contest" is perhaps from early 15c.