Pashto, one of the national languages of Afghanistan, is an archaic language of the Iranian family with a vocabulary of extraordinary variety and interest. In his "New Etymological Vocabulary of Pashto", Georg Morgenstierne identifies loanwords and traces inherited words back to their origins in Old Iranian and beyond. A completely new work, it supersedes the same author's "Etymological Vocabulary of Pashto", which has been a standard work of reference ever since its publication in 1927.