hi·dal·go (hĭ-dălgō, ē-thäl-)
n. pl. hi·dal·gos
A member of the minor nobility in Spain.
[Spanish, alteration of hijo dalgo, from Old Spanish fijo dalgo : fijo, son (from Latin fīlius; see dhē(i)- in the Appendix of Indo-European roots) + de, of (from Latin dē; see DE-) + algo, something, possession (from Latin aliquō, ablative of aliquid : alius, some; see al-1 in the Appendix of Indo-European roots + quid, something; see kwo- 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.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.