concomitant

First attested 1607; from Middle French concomitant, from Latin concomitāns, the present participle of concomitor (I accompany), from con- (together) + comitor (I accompany), from comes (companion).

Borrowed from Latin concomitāns, the present participle of Latin concomitor (I accompany)

concomitant (feminine singular concomitante, masculine plural concomitants, feminine plural concomitantes)