The language accepted as input be a compiler, and translated/compiled into a target language. It is normally a high-level language, written using some mixture of English words and mathematical notation.

The language that serves as the starting point when a preferred term is translated into its nearest equivalent term or terms in a second (or target) language ( ISO 5964, p. 3).

Original language in which a product is created.

See language, source.

the language in which the original source document (intended for translation) is written.

when translating, the language one is translating out of; in French to English translation, French is the source language.

a language that is to be translated into another language

The original language of a document, web page or email before it is translated.

Language in which a text to be translated is written, or in which a speech to be interpreted is spoken. The language of the original text or speech.

The input language of a translator.

Source language is the language in which the learning material or resource is presented. It is easier to use resources with a source language you already know. For example: A resource for learning Finnish, intended for speakers of German, explaining grammar and vocabulary in German: Finnish = target language, German = source language. An English to Spanish dictionary: English = source language, Spanish = target language. A research article in Dutch on teaching French to young learners: Dutch = source language, French = target language.

The language in which text was originally written.

Refers to the spoken language in which the (software) product was written (as opposed to artificial languages used to program software).

The language from which the translation originates (“from”) language as opposed to target (“into”) language.

The original human language (not the programming language), in which the software product is created.

language from wihc the translation is made

The language in which the product that is to be localized was originally developed.

Language in which the text to be translated is written.