What is your definition of “word”? This is not at all a simple question in linguistics. By the way, it can’t just be “written without spaces”, as languages with

What is your definition of “word”? This is not at all a simple question in linguistics. By the way, it can’t just be “written without spaces”, as languages with no writing system at all, and languages whose writing system has no spaces (like Chinese), still have various concepts of “word”.