Placidyl

English Etymology Marketing name, apparently from en placid -yl. Noun ~ en pharmaceutical drug Trade name of ethchlorvynol, a sedative. en w:Priscilla Presley; Sandra Harmon w:Elvis and Me 1985 Putnam 151 https://archive.org/details/elvismep00pres/page/151/mode/1up 978-0-399-12984-1 His horror of insomnia, compounded with a family history of compulsive worrying, caused him to down three or four Placidyls, Seconals, Quaaludes, or Tuinals almost every night—and often it was a combination of all four.