1. A historical region and former kingdom of northwest Spain. United first with Asturias (eighth-ninth century), it was conquered by Castile in 1037, became independent in 1157, and was rejoined with Castile in 1230.
2. A city of central Mexico east-northeast of Guadalajara. It was founded in the 1570s and today is a commercial and industrial center in a rich mining area.
3. A city of northwest Spain at the foot of the Cantabrian Mountains south-southeast of Oviedo. The capital of the medieval kingdom of León, it is now a popular tourist center.
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.