CONNASCENCE
Etymology
Noun
connascence (uncountable)
The birth of two or more things at the same time.
The act of growing together.
(computing) A relationship between two or more elements of software in which changing one necessitates changing the others in order to maintain overall correctness.
(obsolete) That which is born or produced with another.
(obsolete) The act of growing together.
Source: Wiktionary
Con*nas"cence, Con*nas"cen*cy, n. Etym: [L. con- + nascentia birth,
fr. nascens, p.pr. of nasci to be born.]
1. The common birth of two or more at the same tome; production of
two or more together. Johnson.
2. That which is born or produced with another.
3. The act of growing together. [Obs.] Wiseman.
Source: Webster’s Unabridged Dictionary 1913 Edition