intr.v. tee·tered, tee·ter·ing, tee·ters
1. To move or sway unsteadily or unsurely; totter.
2. To alternate, as between opposing attitudes or positions; vacillate.
3. To be close to or in danger of failure or ruin: The housing market teetered on the edge of collapse.
[Middle English titeren, probably from Old Norse titra, to shake.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.