Ki·ev (kēĕf, -ĕv) or Ky·yiv (kēē)
The capital and largest city of Ukraine, in the north-central part of the country on the Dnieper River. Founded in the fifth century, it became the capital of Kievan Russia in the ninth century. Invaded by the Mongols in 1240, Kiev passed to Lithuania in the 14th century, became part of the Russian empire in 1686, and was ceded to the USSR in 1920.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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.