The first language was in Pali . this is only cause Buddha is said to live in the Pali kingdom and they wrote it down. most Buddhist at that time could not read or right. Also the teachings were past down by Buddha and bodhisattvas in speech. I'm sure some books were also written in Sanskrit later on.
"The Book Thief" was originally written in English by Markus Zusak.
Pali
The Tripitaka was originally written in a ancient Indian language called Pali which is very close to the language spoke by Buddha himself. The Tripitaka is a very large book and in English translation it takes up nearly forty volumes. :PThis is written in Pali or Sanskrit.
The Book of Matthew was written in Greek.
The Buddhist book with the name that means "the way of teaching" is Tripitaka. It is written in Pali which is am ancient Indian tradition.
The book of Psalms was originally written in Hebrew.
early Indian language
Aramaic
The Koran is written in Arabic.
In a book written in Spanish, spanish words would not be italicised. In a book written in English, foreign language words are written with italics if they are used as part of a normal sentence or paragraph. If it is an English language book about the Spanish lñanguage, as in a text book, the Spanish text would probably not be written in italics.
Book of Leviticus in the Old Testament was originally written in Hebrew.
Greek not latin