At that time
`eth  (ayth)
time, especially (adverb with preposition) now, when, etc.
did king
melek  (meh'-lek)
a king -- king, royal.
'Achaz  (aw-khawz')
possessor; Achaz, the name of a Jewish king and of an Israelite -- Ahaz.
shalach  (shaw-lakh')
to send away, for, or out (in a great variety of applications)
unto the kings
melek  (meh'-lek)
a king -- king, royal.
of Assyria
'Ashshuwr  (ash-shoor')
Ashshur, the second son of Shem; also his descendants and the country occupied by them (i.e. Assyria), its region and its empire
to help
`azar  (aw-zar')
to surround, i.e. protect or aid -- help, succour.