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[Middle English availen, a-, intensive pref. (from Latin ad-; see ad–), + Old French valoir, vail-, to be worth (from Latin valēre, to be strong; see wal-).]
![]() | 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. |