German vergessen

← Proto-West Germanic *fragetan (inherited)

← Old High German vergezzen (inherited)

← Old High German firgezzan (mention)

← Proto-Indo-European *gʰed- (root)

→ English forget (cognate)

→ German ergötzen (mention)

→ German Vergissmeinnicht (mention)

→ German vergesslich (suffix)

→ German pflichtvergessen (compound)

→ German unvergessen (prefix)

→ German Vergessenheit (suffix)

→ Esperanto forgesi (derived)