he·tae·ra (hĭ-tîrə) also he·tai·ra (-tīrə)
n. pl. he·tae·rae (-tîrē) or he·tae·ras also he·tai·rai (-tīrī′) or he·tai·ras
An ancient Greek courtesan or concubine, especially one who was highly educated or refined.
[Greek hetairā, feminine of hetairos, companion; see s(w)e- in the Appendix of Indo-European roots.]
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.