Sigdag is a masculine Germanic name derived from the Old High German elements sigu "victory" and tag "day". As such, the name's literal meaning is "victory day" or "day of victory."The name belongs to a prominent class of medieval Germanic compound names built from triumphal themes, such as Sigfrid ("victory-peace") and Sigmar ("victory-famous"). These names reflect the warrior culture of the early Germanic tribes, where bearing elements like sigu- (victory) invoked divine favor and martial prowess.Like many dithermatic Germanic names, Sigdag likely originated during the Migration Period or Early Middle Ages and would have been used among the various Germanic-speaking peoples — including Goths, Alemanni, Franks, and Anglo-Saxons. As of the modern era, Sigdag appears to be extremely rare, if not extinct as a given name, potentially surviving only through inherited surnames or in historical records.The second element tag shares roots with Gothic dags and Old Norse dagr, all meaning "day." In Old Germanic poetry and myth, day was often personified as a deity such as Dagr. The conceptual notion of a "victory-day" fits a tradition of naming children after auspicious concepts intended to bless their future endeavors in tribal warfare or personal achievements.Meaning: "Victory day"Origin: Old High GermanType: Dithermatic masculine given nameUsage regions: Medieval Germanic areas (now rare/extinct)