brandish (v.) Look up brandish at Dictionary.com
mid-14c., from Old French brandiss-, present participle stem of brandir "to flourish (a sword)" (12c.), from brant "blade of a sword, prow of a ship," of Frankish origin, from Proto-Germanic *brandaz "a burning," from PIE root *gwher- "to heat, warm." Related: Brandished; brandishing.