Where does “ostentatorio” come from?

ostentatorio (Spanish) comes from Spanish ostentar, from Latin ostentō, from Latin ostendō, from Latin obs-, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός, from Ancient Greek ὀβελός — to throw, reach, pierce; to hit by throwing.

ostentatorio (Spanish): ostentatious

Definitions

ostentatious

Ancestry of “ostentatorio”, step by step

Step	Language	Word	Meaning
1	Spanish	ostentar	to display, to flaunt; to hold, to possess
2	Latin	ostentō	to exhibit, show, present
3	Latin	ostendō	to expose to view, exhibit, show
4	Latin	obs-	in front of
5	Latin	ob-	towards; against
6	Latin	obolus	obolus (Greek coin)
7	Ancient Greek	ὀβολός	obol, obolus, used at Athens as both a weight and...
8	Ancient Greek	ὀβελός	a spit, rod; a horizontal line
9	Ancient Greek	βέλος	missile, arrow, dart; weapon; something quickly...
10	Proto-Indo-European	gʷélHos	—
11	Proto-Indo-European	gʷelH-	to throw, reach, pierce; to hit by throwing

Every word from Proto-Indo-European gʷelH- →Every word from Latin ob- →Every word from Proto-Indo-European gʷélHos →