Where does “ratiocination” come from?

Ratiocination comes from French ratiocination, from Latin ratiocinatio, derived from Latin ratio and the Latin suffix -tio, ultimately from Proto-Indo-European reor meaning to think or reason.

ratiocination (English): Reasoning, conscious deliberate inference; the...

Definitions

Reasoning, conscious deliberate inference; the...

Ancestry of “ratiocination”, step by step

Step	Language	Word	Meaning
1	French	ratiocination	—
2	Latin	ratiocinatio	reasoning, ratiocination; syllogism
3	Latin	ratiōcinor	—
4	Latin	ratiō	—
5	Latin	-tiō	—
6	Latin	dissertātiō	—
7	Latin	dissertus	arranged, disposed; explained
8	Latin	disserere	second-person singular future passive indicative...
9	Latin	dis-	asunder, apart, in two; reversal, removal;...
10	Latin	calceus	shoe
11	Latin	calx	limestone; chalk; the finish line
12	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →