or רִאשֹׁן; from רִאשָׁה; first, in place, time or rank (as adjective or noun); ancestor, (that were) before(-time), beginning, eldest, first, fore(-father) (-most), former (thing), of old time, past.
or (shortened) אַחַשְׁרֹשׁ (Esther 10:1); of Persian origin; Achashverosh (i.e. Ahasuerus or Artaxerxes, but in this case Xerxes), the title (rather than name) of a Persian king; Ahasuerus.