retrogressus
rē̆trōgressus, ūs, m. [retro gradior],
- a retrograde movement, retrogression of the sun (post-class.), Macr. S. 1, 17.
retrōgressus, ūs, m. (retrogradior), das Rückwärts-, Zurückgehen, Macr. sat. 1, 17, 61.
rĕtrōgressŭs, ūs, m. , mouvement rétrograde : Macr. Sat. 1, 17, 61.