| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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Appendix II
Semitic Roots |
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| ENTRY: | rw. |
| DEFINITION: | Central Semitic * arw-, * urw-, an aromatic resin. storax, from Greek sturax, perhaps from a Semitic source akin to Ugaritic urwu, Hebrew  rî, Sabaean rw, Arabic arw, irw, all meaning aromatic resin. |
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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