Where does “science fantasy” come from?

science fantasy (English) comes from English fantasy, from Middle English fantasie, from Old French fantasie, from Medieval Latin fantasia, from Latin phantasia, from Ancient Greek φαντασία, from Ancient Greek φᾰ́ντᾰσῐς, from Ancient Greek φᾰντᾰ́ζω — to push, to hit.

science fantasy (English): A hybrid genre of science fiction and fantasy,...

Definitions

  1. A hybrid genre of science fiction and fantasy,...

Ancestry of “science fantasy”, step by step

science fantasy traces back through two separate lines of ancestry.

via English fantasy

StepLanguageWordMeaning
1EnglishfantasyThat which comes from one's imagination; The...
2Middle Englishfantasiethe faculty of imagination
3Old Frenchfantasiefantasy
4Medieval LatinfantasiaAlternative form of phantasia
5Latinphantasiafancy, idea, notion; fantasy; phantom,...
6Ancient Greekφαντασίαlook, appearance, presentation, display; showy...
7Ancient Greekφᾰ́ντᾰσῐς
8Ancient Greekφᾰντᾰ́ζωmake visible; to make visible, show; to become...
9Ancient GreekφαίνωI cause to appear, bring to light; I show,...
10English-typeimpressed form; stamp; print; typical form; Used...
11Ancient GreekτύποςA blow, pressing; The results of a blow: mark,...
12Ancient Greekτύπτωto beat, strike, smite; to beat, strike oneself
13Proto-Indo-European(s)tewp-to push, to stick
14Proto-Indo-European(s)tew-to push, to hit

via English science fiction

StepLanguageWordMeaning
1Englishscience fictionFiction in which advanced technology or science...
2EnglishfictionLiterary type using invented or imaginative...
3Middle EnglishficciounAn invention or fabrication
4Old Frenchficciondissimulation, ruse, invention
5Latinfictiofashioning, forming, formation; fiction
6Latin-tiōtion, -ation, -ing
7Latindissertātiō(spoken) dissertation, discourse, disquisition
8Latindissertusarranged, disposed; explained
9Latindissereresecond-person singular future passive indicative...
10Latindis-asunder, apart, in two; reversal, removal;...
11Latincalceusshoe
12Latincalxlimestone; chalk; the finish line
13Ancient Greekχάλιξsmall stone, pebble; gravel, rubble
Every word from Proto-Indo-European (s)tew-