👉 In linguistics, "demantoid" is a term used to describe a type of grammatical structure in which the subject and object are separated by a single word or phrase rather than two separate words. This structure is often used in sentences that involve more than one verb and can be used to clarify complex sentences. The term was introduced by Russian linguist Viktor Ushakov in his book "A Grammar of Russian" (1984). It refers to the grammatical form where the