| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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Appendix I
Indo-European Roots |
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| ENTRY: | ser-1 |
| DEFINITION: | To protect. 1. Extended form *serw-. conserve, observe, preserve, reserve, reservoir, from Latin serv re, to keep, preserve. 2. Perhaps suffixed lengthened-grade form *s r- s-. hero, from Greek hrs, “protector,” hero. (Pokorny 2. ser- 910.) |
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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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