The origin of the name Eliab is Hebrew
This is how Eliab is written in Hebrew:
אֱלִיאָב = ‘Eliy’ab
The biblical meaning of the name Eliab is:
“God is my father”
“God is the father”
In The Bible:
1- The Son of Helon and leader of the tribe of Zebulun at the time of the census in the wilderness of Sinai. (B.C. 1490.)
2- A Reubenite, father of Dathan and Abiram.
3- One of David’s brothers, the eldest of the family. (B.C. 1063.)
4- A Levite in the time of David, who was both a “porter” and a musician on the “psaltery.”
5- One of the warlike Gadite leaders who came over to David when he was in the wilderness taking refuge from Saul. (B.C. 1061.)
6- An ancestor of Samuel the prophet; a Kohathite Levite, son of Nahath. (B.C. 1250).
7- The Son of Nathanael, one of the fore-fathers of Judith, and therefore belonging to the tribe of Simeon.*
The name Eliab appears in the (KJV) bible in the following verses:
Numbers 1:9 KJV
Of Zebulun; אֱלִיאָב (Eliab) the son of Helon.
Numbers 2:7 KJV
Then the tribe of Zebulun: and אֱלִיאָב (Eliab) the son of Helon shall be captain of the children of Zebulun.
Numbers 7:24 KJV
On the third day אֱלִיאָב (Eliab) the son of Helon, prince of the children of Zebulun, did offer:
Numbers 7:29 KJV
And for a sacrifice of peace offerings, two oxen, five rams, five he goats, five lambs of the first year: this was the offering of אֱלִיאָב (Eliab) the son of Helon.
Numbers 10:16 KJV
And over the host of the tribe of the children of Zebulun was אֱלִיאָב (Eliab) the son of Helon.
Numbers 16:12 KJV
And Moses sent to call Dathan and Abiram, the sons of אֱלִיאָב: (Eliab) which said, We will not come up:
Numbers 26:8 KJV
And the sons of Pallu; אֱלִיאָב: (Eliab)
Numbers 26:9 KJV
And the sons of אֱלִיאָב: (Eliab) Nemuel, and Dathan, and Abiram. This is that Dathan and Abiram, which were famous in the congregation, who strove against Moses and against Aaron in the company of Korah, when they strove against the LORD:
Deuteronomy 11:6 KJV
And what he did unto Dathan and Abiram, the sons of אֱלִיאָב (Eliab) the son of Reuben: how the earth opened her mouth, and swallowed them up, and their households, and their tents, and all the substance that was in their possession, in the midst of all Israel:
1 Samuel 16:6 KJV
And it came to pass, when they were come, that he looked on אֱלִיאָב (Eliab) and said, Surely the LORD’S anointed is before him.
1 Samuel 17:13 KJV
And the three eldest sons of Jesse went and followed Saul to the battle: and the names of his three sons that went to the battle were אֱלִיאָב (Eliab) the firstborn, and next unto him Abinadab, and the third Shammah.
1 Samuel 17:28 KJV
And אֱלִיאָב (Eliab) his eldest brother heard when he spake unto the men; and אֱלִיאָב‘s (Eliab) anger was kindled against David, and he said, Why camest thou down hither? and with whom hast thou left those few sheep in the wilderness? I know thy pride, and the naughtiness of thine heart; for thou art come down that thou mightest see the battle.
1 Chronicles 2:13 KJV
And Jesse begat his firstborn אֱלִיאָב (Eliab) and Abinadab the second, and Shimma the third,
1 Chronicles 6:27 KJV
אֱלִיאָב (Eliab) his son, Jeroham his son, Elkanah his son.
1 Chronicles 12:9 KJV
Ezer the first, Obadiah the second, אֱלִיאָב (Eliab) the third,
1 Chronicles 15:18 KJV
And with them their brethren of the second degree, Zechariah, Ben, and Jaaziel, and Shemiramoth, and Jehiel, and Unni, אֱלִיאָב (Eliab) and Benaiah, and Maaseiah, and Mattithiah, and Elipheleh, and Mikneiah, and Obededom, and Jeiel, the porters.
1 Chronicles 15:20 KJV
And Zechariah, and Aziel, and Shemiramoth, and Jehiel, and Unni, and אֱלִיאָב (Eliab) and Maaseiah, and Benaiah, with psalteries on Alamoth;
1 Chronicles 16:5 KJV
Asaph the chief, and next to him Zechariah, Jeiel, and Shemiramoth, and Jehiel, and Mattithiah, and אֱלִיאָב (Eliab) and Benaiah, and Obededom: and Jeiel with psalteries and with harps; but Asaph made a sound with cymbals;
2 Chronicles 11:18 KJV
And Rehoboam took him Mahalath the daughter of Jerimoth the son of David to wife, and Abihail the daughter of אֱלִיאָב (Eliab) the son of Jesse;