Where does “retrocalculation” come from?

retrocalculation (English) comes from English calculation, from Middle English calculation, from Latin calculatio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

retrocalculation (English): The action or process of calculating...

Definitions

  1. The action or process of calculating...

Ancestry of “retrocalculation”, step by step

retrocalculation traces back through two separate lines of ancestry.

via English calculation

StepLanguageWordMeaning
1EnglishcalculationThe act or process of calculating; The result of...
2Middle Englishcalculation
3Latincalculatiocomputation, calculation, reckoning
4Latin-tiōtion, -ation, -ing
5Latindissertātiō(spoken) dissertation, discourse, disquisition
6Latindissertusarranged, disposed; explained
7Latindissereresecond-person singular future passive indicative...
8Latindis-asunder, apart, in two; reversal, removal;...
9Latincalceusshoe
10Latincalxlimestone; chalk; the finish line
11Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English retro

StepLanguageWordMeaning
1EnglishretroOf, or relating to, the past, past times, or the...
2Frenchrétroshortening of rétroviseur, mirror; retro
3Frenchrétroviseurrear-view mirror
4Frenchrétro-retro-, back, behind
5Latinretrōback, backwards, behind
6Latindūcere
7Proto-Italicdoukōlead
8Proto-Indo-Europeandéwketi
9Proto-Indo-Europeandewk-to pull, to draw; to lead
Every word from Ancient Greek χάλιξ