👉 The term "retrogradatory" in linguistics refers to a grammatical phenomenon where one word or phrase is used as an adverb of time. This is known as a retrograde sentence, and it can be used to express a time backward rather than forward. For example: 1. "I was born in 1980." 2. "The world has been going backwards for centuries." In these sentences, the word "backwards" is being used as an adverb