coetaneous

[koh-i-tey-nee-uh s]

adjective

of the same age or duration.

Origin of coetaneous

1600–10; < Latin coaetāneus, equivalent to co- co- + aet(ās) age + -āneus compound adj. suffix; see -an, -eous
Related formsco·e·ta·ne·ous·ly, adverbco·e·ta·ne·i·ty [koh-i-tuh-nee-i-tee] /ˌkoʊ ɪ təˈni ɪ ti/, co·e·ta·ne·ous·ness, noun
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Historical Examples of coetaneous



British Dictionary definitions for coetaneous

coetaneous

adjective

rare of the same age or period
Derived Formscoetaneously, adverbcoetaneousness, noun

Word Origin for coetaneous

C17: from Latin coaetāneus, from co- same + aetās age
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for coetaneous
adj.

"having the same age," c.1600, from Late Latin coaetanus "one of the same age," from com- "with, together with" (see co-) + aetat- "age" + adjectival suffix -aneus.

Online Etymology Dictionary, © 2010 Douglas Harper