German kämpfen

← Middle High German kempfen (inherited)

← Proto-West Germanic *kampijan (inherited)

← Old High German *kempfan (inherited)

→ English camp (cognate)

→ German Kämpfer (suffix)

→ German bekämpfen (prefix)

→ German auskämpfen (prefix)

→ German erkämpfen (prefix)

→ German ankämpfen (prefix)

→ Yiddish קעמפֿן (cognate)