Sigismund (variants: Sigmund, )'s a German proper name, meaning "protection through victory", from Old High German sigu "victory" + munt "hand, protection". Tacitus Latinises it Segimundus. It looks like there's an older form of the High German word "Sieg" (victory): sigis, obviously Gothic and an inferred Germanic form, and there's a younger form: sigi, which's Old Saxon or Old High German sigu (both from about 9th century). A 5th century Prince of Burgundy was known both as Sigismund and Sigim… (More on Sigismund)