Where does “stigi” come from?

stigi (Italian) comes from Italian stigio, from Latin Stygius, from Ancient Greek στύγιος, from Ancient Greek -ῐος, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

stigi (Italian): masculine plural of stigio

Definitions

masculine plural of stigio

Ancestry of “stigi”, step by step

Step	Language	Word	Meaning
1	Italian	stigio	Stygian, stygian
2	Latin	Stygius	of the Styx, Stygian; of the lower world,...
3	Ancient Greek	στύγιος	Stygian
4	Ancient Greek	-ῐος	belonging to; of”, “belonging to”, “pertaining to
5	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Ancient Greek -ῐος →Every word from Ancient Greek στύγιος →