Coeval comes to English from the Latin word coaevus, meaning "of the same age." "Coaevus" was formed by combining the "co-" prefix ("in or to the same degree") with Latin aevum ("age" or "lifetime").

What does Coevality mean?

(kō-ē′vəl) adj. Originating or existing during the same period; lasting through the same era. n. One of the same era or period; a contemporary.

What is the meaning of Coetaneous?

coetaneous. / (ˌkəʊɪˈteɪnɪəs) / adjective. rare of the same age or period.