Definitions for urtextˈʊərˌtɛkst, ˈɜr-
Random House Webster's College Dictionary
the original form of a text, esp. of a musical composition.
Category: Common Vocabulary
* (sometimes cap.).
Origin of urtext:
A primitive, seminal, or prototypical example of an artistic genre or the basis of an ideological movement.
The original version of a piece of music, as created by the composer.