If you mean the Bible it was originally written in Hebrew then translated in to many language's. Other religions have other holy books that were written in other languages. For example, the Koran was originally written in Arabic.
It depends on the religion. The holy book of Christianity, The Bible, was originally written in Hebrew, Aramaic, and Greek. The holy book of Islam, the Quran, is in Arabic. Hinduism has multiple holy texts written in Sanskrit. Buddhism's primary text, the Tripitaka, was written in Pali.
It depend on which holy book you mean.
Holy Book: Qur'an Original Language: Arabic
Pali
The Bible is translated into all languages, there is no special language for it.
The Koran is written in Arabic.
The last holy book Qur'an is revealed in Arabic language.
Part of the Bahá'í holy writings were written in Arabic, part in Persian. The Most Holy Book, however, was written in Arabic.
Islamic is not a language, however the language of The Holy Quran (Islam's holy Book) is Arabic, which is also the one and only language of the Middle East (Arabs). :)
It is their Holy Book, written in the language of Punjabi.
There is a book called Holy the Firm by Anna Dillard. To translate translate.google.com may help.
Arabic is important because it is the language of the Quran, the holy book of Islam. It is also widely spoken across the Middle East and North Africa, serving as a unifying language for these diverse regions. Additionally, Arabic is a key language for business, diplomacy, and cultural exchange in the Arab world.
The holy book
What is Voodoo's holy book?