ˈadə̇t noun
( -s )
Etymology: Latin aditus approach, entrance, from aditus, past participle of adire to go to, approach, from ad- + ire to go — more at issue
1. : a nearly horizontal opening by which a mine is entered, drained, or ventilated — called also tunnel ; compare drift 6, gallery , incline , level , shaft
2. : the act of coming to : approach , admission , access
gain adit to the throne