valiant (adj.) Look up valiant at Dictionary.com
early 14c. (late 12c. in surnames), "brave, courageous, intrepid in danger," from Anglo-French vaylant, and Old French vaillant "stalwart, brave," present participle adjective from valoir "be worthy," originally "be strong," from Latin valere "be strong, be well, be worth, have power, be able, be in health," from PIE root *wal- "to be strong." As a noun, "valiant person," from c. 1600. Related: Valiantly.