Recent overviews have been presented by Blank and . Semantic change has attracted academic discussions since ancient times, although the first major works emerged in the 19th century with , , and . Studies beyond the analysis of single words have been started with the word-field analyses of , who claimed that every semantic change of a word would also affect all other words in a lexical field. His approach was later refined by . introduced Generative semantics. More recent works including pragmatic and cognitive theories are those in , Dirk Geeraerts, and .