Speak
dabar (daw-bar')
perhaps properly, to arrange; but used figuratively (of words), to speak; rarely (in a destructive sense) to subdue
unto 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.
and say
'amar (aw-mar')
to say (used with great latitude)
unto them When a man
'iysh (eesh)
a man as an individual or a male person; often used as an adjunct to a more definite term (and in such cases frequently not expressed in translation)
shall make a singular
pala' (paw-law')
perhaps to separate, i.e. distinguish; by implication, to be (causatively, make) great, difficult, wonderful
vow
neder (neh'-der)
a promise (to God); also (concretely) a thing promised -- vow(-ed).
the persons
nephesh (neh'-fesh)
a breathing creature, i.e. animal of (abstractly) vitality; used very widely in a literal, accommodated or figurative sense (bodily or mental)
shall be for the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
by thy estimation
`erek (eh'rek)
a pile, equipment, estimate -- equal, estimation, (things that are set in) order, price, proportion, set at, suit, taxation, valuest.