Where does “-acioun” come from?

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

-acioun (Middle English): Forms nouns denoting an action, act, or doing,...

Definitions

Forms nouns denoting an action, act, or doing,...

Ancestry of “-acioun”, step by step

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

Words derived from “-acioun”

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