Save Gender Masculine Usage Germanic [1] Meaning & History Derived from the Old German elements gisal "hostage" and heri "army." This was the name of a 5th-century king of Burgundy. Related Names Rootsgisal + heri Name DaysName Days? Austria: September 28 Categories army, pledge, war Sources & References Förstemann, Ernst. Altdeutsches Namenbuch. Bonn, 1900, page 653.