Meaning in the sourcesSource-reportedMeaning: “fire” + “to do”First recorded as a given name of Latvians in 1925. From (u)guns (“fire”) + darīt (“to do”).Sources for this account (2)Wiktionary: GundarsCC-BY-SA-4.0 · retrieved 2026-10-15Polish Wiktionary: GundarsCC-BY-SA-4.0 · retrieved 2026-10-14