ge·net·ic (jə-nĕtĭk) also ge·net·i·cal (-ĭ-kəl)
a. Of or relating to genetics or genes.
b. Affecting or determined by genes: genetic diseases.
2. Of, relating to, or influenced by the origin or development of something.
3. Linguistics Of or relating to the relationship between or among languages that are descendants of the same language.
[From Greek genetikos, genitive, from genesis, origin; see GENESIS.]
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.