You searched for: “adit
1. In mining, a level, or nearly level, access passage from the surface of a mine, used to excavate or to drain the main tunnel.
2. Etymology: from Latin aditus, "access"; from the past participle of ad1re, "to approach"; from ad-, "to, toward" + ire, "to go".
This entry is located in the following unit: itiner-, it-, -it (page 1)