What are interwiki links?
Interwiki links in Wiktionary are links from one language Wiktionary to another. For example, the French Wiktionary has the word chat which corresponds to the English Wiktionary’s entry under the title chat. One is written in French (for the French Wiktionary) the other in English (for the English Wiktionary.) Interwiki links link these two articles to each other (note: not their translations.