from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or relating to an investment that is not liable to taxation until income is withdrawn or an appointed date is reached.
- adj. Of or relating to the income that such an investment generates prior to becoming subject to taxation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Describing something that tax will not be due on until a later time (i.e. taxation is deferred to a later time).
Sorry, no etymologies found.