
English word retro comes from Latin retro (Back, backwards, behind. Before, formerly.)
retro (Latin)
Back, backwards, behind. Before, formerly.
rétro (French)
Retro Shortening of rétroviseur, mirror (in the car).
retro (English)
Something, such as a fashion, from the past; a retro trend. Affecting things past; retroactive, ex post facto.. Of, or relating to, the past, past times, or the way things were.