1. One's male child.
2. A male descendant.
3. A man considered as if in a relationship of child to parent: a son of the soil.
4. One personified or regarded as a male descendant.
5. Used as a familiar form of address for a young man.
6. Son Christianity The second person of the Trinity.
[Middle English, from Old English sunu; see seuə-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 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.