Where does “disorganisation” come from?

Disorganisation comes from Middle French organisation, derived from Latin dis- and ex, ultimately tracing to Proto-Indo-European dwóh₁ meaning "two," reflecting the sense of things pulled apart or separated.

disorganisation (English): Alternative spelling of disorganization

Definitions

Alternative spelling of disorganization

Ancestry of “disorganisation”, step by step

Step	Language	Word	Meaning
1	English	organisation	Standard spelling of organization
2	Middle French	organisation	—
3	Latin	organizatio	organization the arrangement of items
4	Latin	-tiō	tion, -ation, -ing
5	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
6	Latin	dissertus	arranged, disposed; explained
7	Latin	disserere	second-person singular future passive indicative...
8	Latin	dis-	asunder, apart, in two; reversal, removal;...
9	Latin	calceus	shoe
10	Latin	calx	limestone; chalk; the finish line
11	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →