For the LORD
Yahh (yaw)
Jah, the sacred name -- Jah, the Lord, most vehement. Compare names in -iah, -jah.
hath chosen
bachar (baw-khar')
to try, i.e. (by implication) select -- acceptable, appoint, choose (choice), excellent, join, be rather, require.
Jacob
Ya`aqob (yah-ak-obe')
heel-catcher (i.e. supplanter); Jaakob, the Israelitish patriarch -- Jacob.
unto himself and Israel
Yisra'el (yis-raw-ale')
he will rule as God; Jisrael, a symbolical name of Jacob; also (typically) of his posterity: --Israel.
for his peculiar treasure
cgullah (seg-ool-law')
wealth (as closely shut up) -- jewel, peculiar (treasure), proper good, special.