flourish

From Middle English floryschen, from Old French floriss-, stem of some conjugated forms of florir (compare French fleurir), from Vulgar Latin *florīre, from Latin flōreō (I bloom) (and conjugation partly from flōrēscō), from flōs (flower). See flower + -ish.

flourish (third-person singular simple present flourishes, present participle flourishing, simple past and past participle flourished)