The answer to 'why is my floor greasy' is that a greasy floor is typically caused by a buildup of dirt, oil, and grime that has not been properly cleaned. This can happen when the floor is not cleaned regularly or when the wrong cleaning products are used. Symptoms of a greasy floor include a sticky or slippery feel underfoot, and a dull, discolored appearance.
To fix a greasy floor, you'll need to thoroughly clean it using the right cleaning products and methods. This may involve sweeping, mopping, and scrubbing the floor to remove the built-up grime. In some cases, you may need to use a degreasing solution or steam cleaner to really deep clean the floor. If the grease is particularly stubborn, you may need to call in a professional cleaning service to get the floor back to its original shine.