Where does “pregraduation” come from?

pregraduation (English) comes from English graduation, from French -ation, from Middle French -ation, from Old French -ation, from Latin -ātiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

pregraduation (English): Prior to graduation from an academic course

Definitions

  1. Prior to graduation from an academic course

Ancestry of “pregraduation”, step by step

pregraduation traces back through two separate lines of ancestry.

via English graduation

StepLanguageWordMeaning
1EnglishgraduationThe action or process of graduating and receiving...
2French-ationUsed to indicate action, condition, result or effect; -ation
3Middle French-ationation
4Old French-ationation
5Latin-ātiō
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

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 χάλιξ