indurate

tunteeton

kovettua

koveta to harden or to grow hard
1924, (w), (w), London: Constable & Co., Chapter 2, http://gutenberg.net.au/ebooks06/0608511h.html

The ear, small and shapely, the arch of the foot, the curve in mouth and nostril, even the indurated hand dyed to the orange-tawny of the toucan's bill, a hand telling alike of the halyards and tar-bucket (..) all this strangely indicated a lineage in direct contradiction to his lot.

The superficial temporal artery (or arteries) may become exquisitely tender to the touch and visibly indurated.

Oh, no ! it is the curse of revolutionary calamities to indurate the heart — the revolutionary impulse is too swift to admit of a pause at the sight of individual misery — the tempest is too loud to hear the wailings of the wretch that perishes beneath its billows (..)

The afternoon was not particularly warm: our noses and eyes were running; his were dry. He was evidently indurated against natural hardships.

The doctor removed a lot of indurate skin from his wound.

Now are they indurate and tough as Pharaoh, and will not bow unto any right way or order.