Where does “pregeneration” come from?

pregeneration (English) comes from English generation, from Middle English generacioun, from Old French generacion, from Latin generātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

pregeneration (English): generation in advance

Definitions

  1. generation in advance

Ancestry of “pregeneration”, step by step

pregeneration traces back through two separate lines of ancestry.

via English generation

StepLanguageWordMeaning
1EnglishgenerationThe fact of creating something, or bringing...
2Middle Englishgeneracioungeneration
3Old Frenchgeneracionprocreation; begetting
4Latingenerātiōa generation
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English pre

StepLanguageWordMeaning
1EnglishpreBefore; Precum, Cowper's fluid, pre-ejaculate; To...
2Latinpraebefore; in front; in front of
3Proto-Italicpraibefore; in front of
4Proto-Indo-Europeanpreh₂-before, in front
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-