Other forms: caches
A cache is a nearby copy a computer keeps so that it need not fetch things twice. Clear the cache, a browser cache, cached data.
Caching is one of the most important ideas in computing and the source of an enormous share of its bugs, because a cache can be out of date without saying so. Clear your cache is the standard first suggestion for almost any web problem. It is pronounced cash. A cache is also a hidden store of supplies or weapons, which is the original sense. Note cachet, which is a different word meaning prestige.
1nouncacheA nearby copy kept so data need not be fetched twice.
“If the website looks out of date, try clearing your browser's cache.”
cache is a hidden or nearby store.
French cache comes from cacher, to hide, from a Latin verb meaning to press together. A cache was a hidden store, and the computing sense borrowed the hiding rather than the hoarding.
French
cache
English, today
cache
Built from
From French cache (as used by French Canadian trappers to mean “hiding place for stores”), from the verb cacher (“to hide”).
Etymology from Wiktionary, CC BY-SA
Practised in Technology & Internet, Computing & Code