Artificial intelligent assistant

ichnite

ichnite Geol.
  (ˈɪknaɪt)
  [f. Gr. ἴχν-ος track, footprint + -ite.]
  A fossil footprint; the footprint of an animal preserved in a rock.

1854 Page Introd. Geol. x. 88 These fossil footprints, termed ichnites..found at Corncockle Muir in Dumfriesshire, at Storeton in Cheshire..and many other places.

Oxford English Dictionary

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