Where does “riyal” come from?

riyal (English) comes from Arabic رِيَال, from Spanish real, from Late Latin realis, from Latin rēs, from Latin vindicatio, from Latin vindicō, from Latin vindex, from Latin dīcō — small stone, pebble; gravel, rubble.

riyal (English): The official currency of Qatar and Saudi Arabia

Definitions

The official currency of Qatar and Saudi Arabia

Ancestry of “riyal”, step by step

Step	Language	Word	Meaning
1	Arabic	رِيَال	riyal
2	Spanish	real	real; royal; a quarter of a peseta
3	Late Latin	realis	actual; real, actual
4	Latin	rēs	thing, object, stuff
5	Latin	vindicatio	civil lawsuit; protection, defence; vindication;...
6	Latin	vindicō	to lay claim to as one's own (often with sibi)
7	Latin	vindex	claimant, vindicator
8	Latin	dīcō	to say, talk, speak, utter, mention
9	Latin	-tiō	tion, -ation, -ing
10	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
11	Latin	dissertus	arranged, disposed; explained
12	Latin	disserere	second-person singular future passive indicative...
13	Latin	dis-	asunder, apart, in two; reversal, removal;...
14	Latin	calceus	shoe
15	Latin	calx	limestone; chalk; the finish line
16	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

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