[UN-2 3.] trans. To free from being tired; to rest.

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  In quot. 1845 after Sp. descansar (as in quot. 1853).

2

1677.  Phil. Trans., XII. 919. A way of untiring a Soldier after a long march, viz. by making a Decoction of Mugwort, and washing the feet therewith.

3

1845.  Ford, Handbk. Spain, I. 162. Let [him] remember … to invite his friend to walk in and untire himself.

4

1853.  G. J. Cayley, Las Alforjas, I. 170. He … pressed us to bait our horses and descansar (untire) ourselves at his farm.

5