Artificial intelligent assistant

rock-hewn

ˈrock-hewn, a.
  [rock n.1]
  Cut out of the rock.

1804 J. Grahame Sabbath 674 Winding adown the rock⁓hewn paths. 1853 Rock Church of Our Fathers III. i. 154 That angel-trumpet blast which will crack the rock-hewn sepulchre. 1890 A. J. C. Hare S.-E. France 577 A rock⁓hewn staircase winding round the steep.

Oxford English Dictionary

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