Category: Retro – Retro The word “retro” derives from the Latin prefix retro, meaning “backwards” or “in past times” – as seen in the word retrograde, implying a movement toward the past instead of a progress toward the future.In this section of Motoaus, we intend to progress to the past, the golden era for Japanese motorcycles, starting in the 1960s, and moving thru to the end of the 80s. Race Bikes, Collector Bikes, Icons of the Past. Images of our Youth.