proximate

Concise Oxford English Dictionary © 2008 Oxford University Press:
proximate/ˈprɒksɪmət/

▶adjective

• 1 closest in space, time, or relationship: the proximate cause of the symptoms.

• 2 nearly accurate; approximate.

– derivatives
proximately adverb,
proximation noun.

– origin C16: from L. proximat-, proximare ‘draw near’, from proximus ‘nearest’.