Where does “retrogradely” come from?
retrogradely (English) comes from English retrograde, from German retrograd, from French rétrograde, from Latin retrogradus, from Latin retrō, from Latin dūcere, from Proto-Italic doukō, from Proto-Indo-European déwketi — to pull, to draw; to lead.
retrogradely (English): With a backward motion
Ancestry of “retrogradely”, step by step