concomitancy

[ kon-kom-i-tuh n-see, kuh n- ]
/ kɒnˈkɒm ɪ tən si, kən- /

noun, plural con·com·i·tan·cies.

Origin of concomitancy

From the Medieval Latin word concomitantia, dating back to 1555–65. See concomitant, -ancy