Present participle of accustom; the act of making someone familiar with something through repeated exposure.
From accustom (from Old French accoustumer, from à + coustume) plus -ing, the present participle suffix. Can function as a verb, adjective, or noun depending on context.
The -ing form is one of English's most flexible grammatical tools—'accustoming' can be a verb ('I'm accustoming the puppy to the new home'), an adjective ('an accustoming process'), or even a noun ('accustoming takes time').
Complete word intelligence in one call. Free tier — 50 lookups/day.