n. pl. phra·tries
1. A kinship group constituting an intermediate division in the primitive structure of the Hellenic tribe or phyle, consisting of several patrilinear clans, and surviving in classical times as a territorial subdivision in the political and military organization of the Athenian state.
2. Anthropology An exogamous subdivision of the tribe, constituting two or more related clans.
[Greek phrātriā, from phrātēr, phrātr-, fellow member of a clan; see bhrāter- in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.