Where does “presessional” come from?

presessional (English) comes from English sessional, from English session, from Middle English session, from Old French session, from Latin sessiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

presessional (English): Before a session, often an academic term

Definitions

  1. Before a session, often an academic term

Ancestry of “presessional”, step by step

presessional traces back through two separate lines of ancestry.

via English sessional

StepLanguageWordMeaning
1EnglishsessionalPertaining to a period, often an academic term or...
2EnglishsessionA period devoted to a particular activity, e.g....
3Middle Englishsession
4Old Frenchsessionsitting; session
5Latinsessiōa sitting
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