coeternal

[ koh-i-tur-nl ]
/ ˌkoʊ ɪˈtɜr nl /

adjective

existing with another eternally.

Origin of coeternal

1400–50; late Middle English. See co-, eternal
Related formsco·e·ter·nal·ly, adverbco·e·ter·ni·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for coeternity (1 of 2)

coeternity

/ (ˌkəʊɪˈtɜːnɪtɪ) /

noun

existence for, from, or in eternity with another being

British Dictionary definitions for coeternity (2 of 2)

coeternal

/ (ˌkəʊɪˈtɜːnəl) /

adjective

existing together eternally
Derived Formscoeternally, adverb
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