cat·er-cor·nered (kătər-kôr′nərd, kătē-) also cat·er-cor·ner (-nər) or cat·ty-cor·nered or cat·ty-cor·ner (kătē-) or kit·ty-cor·nered or kit·ty-cor·ner (kĭtē-)
In a diagonal position.
[From obsolete cater, four at dice, from Middle English, from Old French catre, four, from Latin quattuor; see kwetwer- 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.