<human>:  Who invented the word ‘mace’?
<bot>: The word mace comes from the Latin word macula, meaning a small apple. It was originally used as a weapon in the Middle Ages. In the 13th century, the word was used to refer to a small, round shield that was carried by knights. In the 15th century, it was used to describe a small, heavy, wooden club used for bludgeoning people. In the 16th century, it was used to describe a small, round, metal weapon used for striking people.