Jacobsen's Law is a principle in linguistics that suggests that the more complex a language is, the more likely it is to lose certain grammatical features over time. This phenomenon often occurs as languages evolve and simplify, making them easier for speakers to use. The law is named after the linguist Einar Haugen Jacobsen, who observed this trend in various languages. For example, languages may drop inflections or irregular forms, leading to a more streamlined and regular grammatical structure. This reflects a natural tendency in language development towards efficiency and ease of communication.