The origin of the name Gabriel is Hebrew
This is how Gabriel is written in Hebrew
גַּבְרִיאֵל = Gabriy’el
This is how Gabriel is written in Greek
Γαβριήλ = Gabriēl
The biblical meaning of the name Gabriel is: warrior of God or man of God.
Gabriel was an archangel; the angel God used to send messages of great importance to man
The name Gabriel appears in the bible in the following verses:
And I heard a man’s voice between the banks of Ulai, which called, and said, Gabriel, make this man to understand the vision.
Yea, whiles I was speaking in prayer, even the man Gabriel, whom I had seen in the vision at the beginning, being caused to fly swiftly, touched me about the time of the evening oblation.
And the angel answering said unto him, I am Gabriel, that stand in the presence of God; and am sent to speak unto thee, and to shew thee these glad tidings.
And in the sixth month the angel Gabriel was sent from God unto a city of Galilee, named Nazareth,