Hello little one! Hallow is a word that means to make something holy, special or sacred.
Think of it like this: when you have a toy that you really like, you might put it on a shelf where nobody can touch it or play with it. You might even put a little sign next to it that says "do not touch" because that toy is special and important to you.
In a similar way, when people talk about hallowing something, they mean they are setting it apart and treating it with respect and reverence. It can also mean to make something pure or clean, kind of like how your parents might clean up your room before you have a play date.
In certain religions like Christianity, hallow is often used in the context of All Saints' Day, which is a day when people remember and honor all the special people who have passed away. They might visit graves or light candles to show that these people are still important and loved even though they are no longer with us.
Overall, the word hallow is all about recognizing how valuable and important certain things are, and treating them with the love and care they deserve.