But the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
hardened
chazaq (khaw-zak')
to fasten upon; hence, to seize, be strong (figuratively, courageous, causatively strengthen, cure, help, repair, fortify), obstinate; to bind, restrain, conquer
Pharaoh's
Par`oh (par-o')
Paroh, a general title of Egyptian kings -- Pharaoh.
heart
leb (labe)
the heart; also used (figuratively) very widely for the feelings, the will and even the intellect
so that he would not let the children
ben (bane)
a son (as a builder of the family name), in the widest sense (of literal and figurative relationship, including grandson, subject, nation, quality or condition, etc.
of Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
go
shalach (shaw-lakh')
to send away, for, or out (in a great variety of applications)