si·roc·co (sə-rŏkō) also sci·roc·co (shə-, sə-)
n. pl. si·roc·cos also sci·roc·cos
1. A hot humid south or southeast wind of southern Italy, Sicily, and the Mediterranean islands, originating in the Sahara Desert as a dry dusty wind but becoming moist as it passes over the Mediterranean.
2. A hot or warm southerly wind, especially one moving toward a low barometric pressure center.
[Italian scirocco, from Arabic šarq, east; see śrq in the Appendix of Semitic 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.