Where does “múleo” come from?

múleo (Portuguese) comes from Latin mulleus, from Latin -eus, from Ancient Greek -εῖος, from Proto-Indo-European -iHwós, from Proto-Indo-European -wós — Creates adjectives from verb stems.

múleo (Portuguese): papal shoe

Definitions

papal shoe

Ancestry of “múleo”, step by step

Step	Language	Word	Meaning
1	Latin	mulleus	of a red color (said of shoes)
2	Latin	-eus	argentum + API → argenteus; ferrum + API →...
3	Ancient Greek	-εῖος	Forms adjectives, usually with a meaning of "of"...
4	Proto-Indo-European	-iHwós	—
5	Proto-Indo-European	-wós	Creates adjectives from verb stems

Every word from Proto-Indo-European -wós →