Editing Language change (section)

===Lexical changes===
{{Main|Lexical innovation}}
The study of lexical changes forms the [[Historical linguistics|diachronic]] portion of the science of [[onomasiology]].

The ongoing influx of new words into the [[English language]] (for example) helps make it a rich field for investigation into language change, despite the difficulty of defining precisely and accurately the vocabulary available to speakers of English. Throughout [[History of the English language|its history]], English has not only [[loanword|borrowed words]] from other languages but has re-combined and recycled them to create new meanings, whilst [[Changes to Old English vocabulary|losing some old words]].

[[lexicographer|Dictionary-writers]] try to keep track of the changes in languages by recording (and, ideally, dating) the appearance in a language of new words, or of new usages for existing words. By the same token, they may tag some words eventually as "archaic" or "obsolete".