What we do know is, first, that other Jewish groups, most notably those living in Qumran near the Dead Sea, also used and valued 1 Enoch, but we do not find it grouped with the scriptural scrolls." The traditional belief of the Ethiopic Orthodox Church, which sees 1 Enoch as an inspired document, is that the Ethiopic text is the original one, written by Enoch himself.
Ge'ez: መጽሐፈ ሄኖክ mets’iḥāfe hēnoki) is an ancient Jewish religious work, ascribed by tradition to Enoch, the great-grandfather of Noah, although modern scholars estimate the older sections (mainly in the Book of the Watchers) to date from about 300 BC, and the latest part (Book of Parables) probably to the first century BC.
"Enoch, the seventh from Adam" is quoted, in Jude –15: And Enoch also, the seventh from Adam, prophesied of these, saying, Behold, the Lord cometh with ten thousands of his saints, To execute judgment upon all, and to convict all that are ungodly among them of all their ungodly deeds which they have ungodly committed, and of all their hard speeches which ungodly sinners have spoken against him. He cometh with ten thousands of His Saints To execute judgment upon all, And to destroy all the ungodly: And to convict all flesh Of all the works of their ungodliness which they have ungodly committed, And of all the hard things which ungodly sinners have spoken against Him.
In the case of the Jude quotation of 1 Enoch 1:9, it would be difficult to argue that Jude does not quote Enoch as an historical prophet since he cites Enoch by name.
It is regarded as canonical by the Ethiopian Orthodox Tewahedo Church and Eritrean Orthodox Tewahedo Church, but not by any other Christian groups.
It is wholly extant only in the Ge'ez language, with Aramaic fragments from the Dead Sea Scrolls and a few Greek and Latin fragments.