Where does “indicative” come from?

indicative (Latin) comes from Latin indicativus, from Latin indicō, from Latin index, from Latin dīcō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

indicative (Latin): vocative masculine singular of indicātīvus

Definitions

vocative masculine singular of indicātīvus

Ancestry of “indicative”, step by step

Step	Language	Word	Meaning
1	Latin	indicativus	indicative
2	Latin	indicō	to indicate, point out; show, manifest, discover
3	Latin	index	A pointer, indicator; The index finger,...
4	Latin	dīcō	to say, talk, speak, utter, mention
5	Latin	-tiō	tion, -ation, -ing
6	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
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 →Every word from Latin -tiō →Every word from Latin dis- →