And the king
melek  (meh'-lek)
a king -- king, royal.
'Achashverowsh  (akh-ash-vay-rosh')
of Persian origin; Achashverosh (i.e. Ahasuerus or Artaxerxes, but in this case Xerxes), the title (rather than name) of a Persian king -- Ahasuerus.
suwm  (soom)
to put (used in a great variety of applications, literal, figurative, inferentially, and elliptically)wholly, work.
a tribute
mac  (mas)
a burden (as causing to faint), i.e. a tax in the form of forced labor -- discomfited, levy, task(-master), tribute(-tary).
upon the land
'erets  (eh'-rets)
the earth (at large, or partitively a land) -- common, country, earth, field, ground, land, natins, way, + wilderness, world.
and upon the isles
'iy  (ee)
a habitable spot (as desirable); dry land, a coast, an island -- country, isle, island.
of the sea
yam  (yawm)
from an unused root meaning to roar -- sea (-faring man, (-shore), south, west (-ern, side, -ward).