an·la·ge also An·la·ge (änlä′gə)
n. pl. an·la·ges or an·la·gen (-gən) also An·la·ges or An·la·gen
1. Biology The initial clustering of embryonic cells from which a part or an organ develops; primordium.
2. A genetic predisposition to a given trait or personality characteristic.
3. A fundamental principle; the foundation for a future development.
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.