They shall come
bow' (bo)
to go or come (in a wide variety of applications)
and shall declare
nagad (naw-gad')
to front, i.e. stand boldly out opposite; by implication (causatively), to manifest; figuratively, to announce (always by word of mouth to one present); specifically, to expose, predict, explain, praise
his righteousness
tsdaqah (tsed-aw-kaw')
rightness (abstractly), subjectively (rectitude), objectively (justice), morally (virtue) or figuratively (prosperity) -- justice, moderately, right(-eous) (act, -ly, -ness).
unto a people
`am (am)
a people (as a congregated unit); specifically, a tribe (as those of Israel); hence (collectively) troops or attendants; figuratively, a flock -- folk, men, nation, people.
that shall be born
yalad (yaw-lad')
to bear young; causatively, to beget; medically, to act as midwife; specifically, to show lineage
that he hath done
`asah (aw-saw')
to do or make, in the broadest sense and widest application
this