From Wiktionary, the free dictionary
erz- (“arch-”) + Engel (“angel”)
Erzengel m (strong, genitive Erzengels, plural Erzengel)
- (religion) archangel
Declension of Erzengel [masculine, strong]
- “Erzengel” in Duden online
- “Erzengel” in Digitales Wörterbuch der deutschen Sprache