I will be as the dew
tal (tal)
dew (as covering vegetation) -- dew.
unto Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
he shall grow
parach (paw-rakh')
to break forth as a bud, i.e. bloom; generally, to spread; specifically, to fly (as extending the wings); figuratively, to flourish
as the lily
shuwshan (shoo-shan')
a lily (from its whiteness), as a flower of arch. ornament; also a (straight) trumpet (from the tubular shape): lily, Shoshannim.
and cast forth
nakah (naw-kaw')
to strike (lightly or severely, literally or figuratively)
his roots
sheresh (sheh'-resh)
a root -- bottom, deep, heel, root.
as Lebanon
Lbanown (leb-aw-nohn')
(the) white mountain (from its snow); Lebanon, a mountain range in Palestine -- Lebanon.