Inure
INU'RE, verb transitive [in and ure. Ure signifies use, practice, in old English.]
1. To habituate; to accustom; to apply or expose in use or practice till use gives little or no pain or inconvenience, or makes little impression. Thus a man inures his body to labor and toil, till he sustains that which would destroy a body unaccustomed to it. So we inure ourselves to cold or heat. Warriors are inured to blood, and seamen are inured to hardships and deprivations.
INU'RE, verb intransitive To pass in use; to take or have effect; to be applied; to serve to the use or benefit of; as a gift of lands inures to the heirs of the grantee, or it inures to their benefit.