cal·ends also kal·ends (kăləndz, kāləndz)
n. pl. calends also kalends
The first day of the month in the ancient Roman calendar.
[Middle English kalendes, from Latin kalendae; see kelə-2 in the Appendix of Indo-European roots.]
ca·lendal (kə-lĕndəl) adj.
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.