[ kən'kɒmɪt(ə)ns ]
(also concomitancy )
■ noun
1》 the fact of existing or occurring with something else.
2》 Theology the doctrine that the body and blood of Christ are each present in the bread and wine of the Eucharist.
Origin
C16: from med. L. concomitantia , from concomitant- , concomitari 'accompany'.