Where does “orelhano” come from?

orelhano (Portuguese) comes from Spanish orellano, from Asturian oriella, from Latin ōra, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.

orelhano (Portuguese): remote, separated

Definitions

remote, separated

Ancestry of “orelhano”, step by step

Step	Language	Word	Meaning
1	Spanish	orellano	remote, separated
2	Asturian	oriella	shore, bank
3	Latin	ōra	border, rim, frontier, limit, edge
4	Latin	ōs	mouth
5	Proto-Italic	ōs	mouth
6	Proto-Indo-European	h₃ésth₁	bone

Every word from Proto-Indo-European h₃ésth₁ →Every word from Proto-Italic ōs →Every word from Latin ōs →