Originating, existing, or happening during the same period of time: the contemporaneous reigns of two monarchs. See Synonyms at contemporary.
[Latin contemporāneus : com-, com- + tempus, tempor-, time + -āneus, adj. suff.]
con·tem′po·ra·nei·ty (-pər-ə-nēĭ-tē, -nā-), con·tem′po·rane·ous·ness n.
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Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.