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 ...
What is the root of Valiant?
Adjective. Middle English vailant, valiant, borrowed from Anglo-French vaillant "worthy, strong, courageous," from present participle of valer "to be of worth," going back to Latin valēre "to have strength, be well" — more at wield.
What is the meaning of Vaillant?
French, English, and Dutch: nickname for a courageous or robust person, from Old French vaillant 'sturdy', 'brave', Middle English vailaunt, valiaunt, Middle Dutch valiant (the latter two being from Old French).