alderworst

From alder- +‎ worst.

alderworst (not comparable)

1. (obsolete) Worst of all.
   • 1611 April (first recorded performance), William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene i]:

     You some permit / To second ills with ills, each elder worse, / And make them dread it, to the doers’ thrift.