Deut. 6:13 KJV (With Strong’s)

+
13
Thoub shalt fear
yare' (Hebrew #3372)
to fear; morally, to revere; caus. to frighten
KJV usage: affright, be (make) afraid, dread(-ful), (put in) fear(-ful, -fully, -ing), (be had in) reverence(-end), X see, terrible (act, -ness, thing).
Pronounce: yaw-ray'
Origin: a primitive root
the Lord
Yhovah (Hebrew #3068)
(the) self-Existent or Eternal; Jehovah, Jewish national name of God
KJV usage: Jehovah, the Lord. Compare 3050, 3069.
Pronounce: yeh-ho-vaw'
Origin: from 1961
thy God
'elohiym (Hebrew #430)
gods in the ordinary sense; but specifically used (in the plural thus, especially with the article) of the supreme God; occasionally applied by way of deference to magistrates; and sometimes as a superlative
KJV usage: angels, X exceeding, God (gods)(-dess, -ly), X (very) great, judges, X mighty.
Pronounce: el-o-heem'
Origin: plural of 433
, and serve
`abad (Hebrew #5647)
to work (in any sense); by implication, to serve, till, (causatively) enslave, etc.
KJV usage: X be, keep in bondage, be bondmen, bond-service, compel, do, dress, ear, execute, + husbandman, keep, labour(-ing man, bring to pass, (cause to, make to) serve(-ing, self), (be, become) servant(-s), do (use) service, till(-er), transgress (from margin), (set a) work, be wrought, worshipper,
Pronounce: aw-bad'
Origin: a primitive root
him, and shalt swear
shaba` (Hebrew #7650)
propr. to be complete, but used only as a denominative from 7651; to seven oneself, i.e. swear (as if by repeating a declaration seven times)
KJV usage: adjure, charge (by an oath, with an oath), feed to the full (by mistake for 7646), take an oath, X straitly, (cause to, make to) swear.
Pronounce: shaw-bah'
Origin: a primitive root
c by his name
shem (Hebrew #8034)
an appellation, as a mark or memorial of individuality; by implication honor, authority, character
KJV usage: + base, (in-)fame(-ous), named(-d), renown, report.
Pronounce: shame
Origin: a primitive word (perhaps rather from 7760 through the idea of definite and conspicuous position; compare 8064)
.

Cross References

+
fear.
and serve him.Our Saviour quotes these words thus:
"And him only [autó monó,] shalt thou serve;"
from which it would appear, that the word {levaddo} was anciently in the Hebrew text, as it was in the Septuagint, Coptic, Vulgate (illi soli), and Anglo-Saxon.
Dr. Kennicott argues that without the word only, the text would not have conclusive for the purpose for which our Lord advanced it.
It is proper, however, to observe, that the word {levaddo} is not found in any MS. yet collated, though retained in the above versions.shalt swear.
Lv. 19:12• 12And ye shall not swear by my name falsely, and profane the name of thy God: I am Jehovah. (Lv. 19:12)
;
Josh. 2:12• 12And now, I pray you, swear to me by Jehovah, since I have dealt kindly with you, that ye will also deal kindly with my father's house, and give me a certain sign, (Josh. 2:12)
;
Psa. 15:4• 4In whose eyes the depraved person is contemned, and who honoureth them that fear Jehovah; who, if he have sworn to his own hurt, changeth it not; (Psa. 15:4)
;
Psa. 63:11• 11But the king shall rejoice in God; every one that sweareth by him shall glory: for the mouth of them that speak lies shall be stopped. (Psa. 63:11)
;
Isa. 45:23• 23I have sworn by myself, the word is gone out of my mouth in righteousness and shall not return, that unto me every knee shall bow, every tongue shall swear. (Isa. 45:23)
;
Isa. 65:16• 16so that he who blesseth himself in the land shall bless himself by the God of truth; and he that sweareth in the land shall swear by the God of truth: because the former troubles shall be forgotten, and because they shall be hidden from mine eyes. (Isa. 65:16)
;
Jer. 4:2• 2--and thou shalt in truth, in justice, and in righteousness swear, As Jehovah liveth! and the nations shall bless themselves in him, and in him shall they glory. (Jer. 4:2)
;
Jer. 5:2,7• 2And if they say, As Jehovah liveth! surely they swear falsely.
7Wherefore should I pardon thee? Thy children have forsaken me, and swear by them that are not God. I have satiated them, and they have committed adultery, and they troop to the harlots' house.
(Jer. 5:2,7)
;
Jer. 12:16• 16And it shall come to pass, if they will diligently learn the ways of my people, to swear by my name, As Jehovah liveth--even as they taught my people to swear by Baal--they shall be built up in the midst of my people. (Jer. 12:16)

J. N. Darby Translation

+
13
Thou shalt fear Jehovah thy God, and serve him, and shalt swear by his name.