die-away

die-away (comparative more die-away, superlative most die-away)

1. (now rare) That seems to die away; languishing.
   • 1788, Mary Wollstonecraft, Mary: A Fiction‎^[1]:

     ‘But, do not imagine I have always been a die-away swain. No: I have frequented the cheerful haunts of men, and wit!’