Where does “retroprojection” come from?

retroprojection (English) comes from English projection, from Middle French projection, from Latin prōiectiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere, from Latin dis- — small stone, pebble; gravel, rubble.

retroprojection (English): back projection

Definitions

  1. back projection

Ancestry of “retroprojection”, step by step

retroprojection traces back through two separate lines of ancestry.

via English projection

StepLanguageWordMeaning
1EnglishprojectionSomething which projects, protrudes, juts out,...
2Middle Frenchprojection
3Latinprōiectiōa throwing forward, projection
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