étroitesse betyder på engelska

narrowness [narrownesses]▼◼◼◼(state of being narrow)
noun
[UK: ˈnæ.rəʊ.nəs] [US: ˈnero.ʊ.nəs]

tightness [tightnesses]▼◼◼◻(the quality of being tight)
noun
[UK: ˈtaɪt.nəs] [US: ˈtaɪt.nəs]