inure
Pronunciation: /ɪˈnjʊə, ɪˈnjɔː/
verb
- 1 (usually be inured to) accustom (someone) to something, especially something unpleasant: these children have been inured to violence
- 2 Lawvariant spelling of enure (sense 1).

Origin:
late Middle English inure, enure, from an Anglo-Norman French phrase meaning 'in use or practice', from en 'in' + Old French euvre 'work' (from Latin opera)