Before revision: Some say the word may come from an identically pronounced Hebrew word meaning "body", some even say it was just a mistake happened while typing the word "good", hence the word "goof" is also known as other word for mistake See the etymological explanation of Hessu Hopo, 'Goofy' in Finnish language.
After revision: Some say the word may come from an identically pronounced Hebrew word meaning "body", some even say it was just a mistake happened while typing the word "good", hence the word "goof" is also known as another word for mistake See the etymological explanation of Hessu Hopo, 'Goofy' in Finnish language.