Where does “justiciary” come from?

justiciary (English) comes from Spanish justiciero, from Spanish justicia, from Latin iūstitia, from Latin iūstus, from Latin iūs, from Latin dīcō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

justiciary (English): A judgeship: a judge's jurisdiction, power, or...

Definitions

A judgeship: a judge's jurisdiction, power, or...

Ancestry of “justiciary”, step by step

Step	Language	Word	Meaning
1	Spanish	justiciero	—
2	Spanish	justicia	justice; righteousness; the law
3	Latin	iūstitia	—
4	Latin	iūstus	—
5	Latin	iūs	—
6	Latin	dīcō	—
7	Latin	-tiō	—
8	Latin	dissertātiō	—
9	Latin	dissertus	arranged, disposed; explained
10	Latin	disserere	second-person singular future passive indicative...
11	Latin	dis-	asunder, apart, in two; reversal, removal;...
12	Latin	calceus	shoe
13	Latin	calx	limestone; chalk; the finish line
14	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →

justiciary — Etymology, Origin & Word History | Etymology Explorer