English impregnable

← English deign (mention)

← English reign (mention)

← English impregnability (link)

← English impregnableness (link)

← English impregnably (link)

← English impregnate (suffix)

← English able (suffix)

← French im- (mention)

← French prendre (mention)

← French -able (mention)

← Middle French imprenable (derived)

← Latin impraegnatus (mention)

→ English impregnably (suffix)

→ English unimpregnable (prefix)

→ English impregnableness (suffix)