inbeing

From in- +‎ being. Compare Old English onwist (“habitation”), Dutch aanwezigheid (“presence, existence”).

inbeing (countable and uncountable, plural inbeings)

1. The fact or state of being in; existence in something else.
2. Inherence; inherent existence; indwelling; immanence.
   • 1746, Isaac Watts, Useful and Important Questions Concerning Jesus the Son of God Freely Proposed: With a Humble Attempt to Answer Them According to Scripture

     This is not spoken concerning the union, the inbeing, or indwelling of any distinct divine nature of Christ

3. Inward or essential nature; that which a thing is in itself.
4. (obsolete, applied to the persons of the Trinity) An indwelling being.

• (the fact or state of being in): See also Thesaurus:intrinsicality

inbeing in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913

• beining