connascency

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.

---