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[Middle English prevailen, from Old French prevaloir, prevaill-, from Latin praevalēre, to be stronger, prae-, pre-, + valēre, to be strong.]
![]() | The American Heritage® Dictionary of the English Language, Fourth EditionCopyright © 2005, 2000 by Houghton Mifflin Company. Updated 2005. Published by Houghton Mifflin. All rights reserved. |