Ad'it, n.

n. [Lat. aditus, entrance, from aditus, p. p. of adire, to go to; ad and ire, to go.]

1. An entrance or passage; specifically, the horizontal opening by which a mine is entered, or by which water and ores are carried away; — called also drift.
2. Admission; approach; access. [Rare.]

Yourself and yours Shall have free adit. Tennyson.