Isa. 48:15 KJV (With Strong’s)

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15
I, even I, have spoken
dabar (Hebrew #1696)
perhaps properly, to arrange; but used figuratively (of words), to speak; rarely (in a destructive sense) to subdue
KJV usage: answer, appoint, bid, command, commune, declare, destroy, give, name, promise, pronounce, rehearse, say, speak, be spokesman, subdue, talk, teach, tell, think, use (entreaties), utter, X well, X work.
Pronounce: daw-bar'
Origin: a primitive root
; yea, I have called
qara' (Hebrew #7121)
to call out to (i.e. properly, address by name, but used in a wide variety of applications)
KJV usage: bewray (self), that are bidden, call (for, forth, self, upon), cry (unto), (be) famous, guest, invite, mention, (give) name, preach, (make) proclaim(- ation), pronounce, publish, read, renowned, say.
Pronounce: kaw-raw'
Origin: a primitive root (rather identical with 7122 through the idea of accosting a person met)
him: Ig have brought
bow' (Hebrew #935)
to go or come (in a wide variety of applications)
KJV usage: abide, apply, attain, X be, befall, + besiege, bring (forth, in, into, to pass), call, carry, X certainly, (cause, let, thing for) to come (against, in, out, upon, to pass), depart, X doubtless again, + eat, + employ, (cause to) enter (in, into, -tering, -trance, -try), be fallen, fetch, + follow, get, give, go (down, in, to war), grant, + have, X indeed, (in-)vade, lead, lift (up), mention, pull in, put, resort, run (down), send, set, X (well) stricken (in age), X surely, take (in), way.
Pronounce: bo
Origin: a primitive root
him, and he shall make his way
derek (Hebrew #1870)
a road (as trodden); figuratively, a course of life or mode of action, often adverb
KJV usage: along, away, because of, + by, conversation, custom, (east-)ward, journey, manner, passenger, through, toward, (high-) (path-)way(-side), whither(-soever).
Pronounce: deh'-rek
Origin: from 1869
prosperous
tsalach (Hebrew #6743)
a primitive root; to push forward, in various senses (literal or figurative, transitive or intransitive)
KJV usage: break out, come (mightily), go over, be good, be meet, be profitable, (cause to, effect, make to, send) prosper(-ity, -ous, - ously).
Pronounce: tsaw-lakh'
Origin: or tsaleach {tsaw-lay'-akh}
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Cross References

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J. N. Darby Translation

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15
I, even I, have spoken; yea, I have called him; I have brought him, and his way shall be prosperous.