kasher
/ˈkɑʃər/
verb
- To make food or utensils fit for use according to Jewish dietary laws (kashrut).
- They kashered the pots by boiling them in water to remove any traces of forbidden food.
- The rabbi came to kasher the kitchen after it was used for non-kosher cooking.
- Before Passover, many families kasher their dishes to ensure they are suitable for the holiday.