coeval
adjective /kəʊˈiːvl/
/kəʊˈiːvl/
(formal)- coeval (with something) (of two or more things) being the same age or having the same date of origin
- The industry is coeval with the construction of the first railways.
Word Originearly 17th cent. (as a noun): from late Latin coaevus, from co- ‘jointly’ + Latin aevum ‘age’.