Where does “ὀράριον” come from?

ὀράριον (Ancient Greek) comes from Late Latin orarium, from Latin -arium, from Latin -arius, from Proto-Indo-European -yós — Creates adjectives from noun or verb stems.

ὀράριον (Ancient Greek): kerchief, scarf

Definitions

kerchief, scarf

Ancestry of “ὀράριον”, step by step

Step	Language	Word	Meaning
1	Late Latin	orarium	napkin; a napkin
2	Latin	-arium	Used to form nouns denoting a "place where things...
3	Latin	-arius	Used to form adjectives from nouns or numerals;...
4	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

Every word from Proto-Indo-European -yós →Every word from Latin -arius →Every word from Latin -arium →