Lexicalization and Language Change - Laurel J. Brinton, Elizabeth Closs Traugott - Google Books

http://books.google.de/books?id=XA03NXR2U7YC&lpg=PP1&pg=PP1#v=onepage&q=&f=false

Lexicalization, a process of language change, has been conceptualized in a variety of ways. Broadly defined as the adoption of concepts into the lexicon, it has been viewed by syntacticians as the reverse process of grammaticalization, by morphologists as…