proximate

Short definition from Wiktionary

Adjective

1. 1
   Close or closest; adjacent.
2. 2
   Immediately preceding or following in a chain of causation.
3. 3
   About to take place; impending.

Noun

1. 1
   A grammatical marker that distinguishes a relatively salient referent in a given context from a relatively non-salient (obviative) one.