See also: erreichen German Etymology From the verb erreichen Pronunciation Audio:(file) Noun Erreichen n (strong, genitive Erreichens, no plural) gerund of erreichen (“achievement, achieving; reaching”) Declension More information singular, indef. ... singular indef. def. noun nominative ein das Erreichen genitive eines des Erreichens dative einem dem Erreichen accusative ein das Erreichen Close Declension of Erreichen [sg-only, neuter, strong] Wikiwand - on Seamless Wikipedia browsing. On steroids.