floruit[flôrˈyo͞o-ĭt, -o͞o-, flōrˈ-, flŏrˈ-]
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
noun Abbr. fl.
The period during which a person, school, or movement was most active or flourishing.
Origin: Latin flōruit, third person sing. perfect tense of flōrēre, to flourish; see flourish.