The word kosher indicates something proper and acceptable. The root of the kosher food dates back to the Bible, and the Jews have introduced it for a long 3300 years. There are three different types of kosher food. In this, it is known that the mitzvah of kosher changes the food into a form of holiness, trying to match the kitchen which is considered as a spiritual place of a dwelling place.
The word Kashrut has its origin in Hebrew indicating fit, correct or something proper. In this relation, the word kosher indicates ritual items that made been made by Jewish law to be used for different ritual purposes.