n. (used with a sing. verb)
The science of human settlements, including city or community planning and design.
[Modern Greek oikistikē, from feminine of Greek oikistikos, of settlements, from oikistēs, colonizer, founder, from oikizein, to settle, from oikos, house; see ECONOMY.]
e·kistic, e·kisti·cal adj.
ek′is·tician (ĕk′ĭ-stĭshən) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.