ðɪ ˈoʊldɪst pˈɑːɹt ʌvðə fˈɔːɹtɹəs wʌzɐ fˈaɪvstˈoːɹi kˈiːp wˌɪtʃ ɡˈeɪv ɪts nˈeɪm tə ðə fˈɔːɹtɹəs æz ɐ hˈoʊl.
The oldest part of the fortress was a five-storey keep which gave its name to the fortress as a whole.