Complex sentence: The method relies principally on information which is available in and about the language being studied and has most famously been used for study of the Etruscan language, but has also been used for other languages, for example by Yves Duhoux (1982) for Eteocretan.
Split into simpler sentences: The method relies principally on information that is available in and about the language being studied, and has most famously been used for study of the Etruscan language. It has also been used for other languages, for example by Yves Duhoux (1982) for Eteocretan.