sav·vy (săvē) Informal
adj. sav·vi·er, sav·vi·est
1. Well informed and perceptive; shrewd: savvy Washington insiders.
2. Knowledgeable or proficient. Often used in combination: tech-savvy; media-savvy.
Practical understanding or shrewdness: a banker known for financial savvy.
tr. & intr.v. sav·vied (săvēd), sav·vy·ing, sav·vies (săvēz)
To understand; comprehend.
[From Spanish sabe (usted), (you) know, from saber, to know, from Old Spanish, from Vulgar Latin *sapēre, from Latin sapere, to be wise; see sep- in the Appendix of Indo-European roots.]
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.