Where does “Cayo Hueso” come from?

Cayo Hueso (Spanish) comes from Spanish hueso, from Old Spanish huesso, from Latin ossum, from Latin ōs, from Proto-Italic ōs, from Proto-Indo-European h₃ésth₁ — bone.

Cayo Hueso (Spanish): the westernmost significant cay in the archipelago

Definitions

the westernmost significant cay in the archipelago

Ancestry of “Cayo Hueso”, step by step

Cayo Hueso traces back through two separate lines of ancestry.

via Spanish hueso

Step	Language	Word	Meaning
1	Spanish	hueso	bone; stone, pit; political position
2	Old Spanish	huesso	bone
3	Latin	ossum	bone; kernel, stone
4	Latin	ōs	mouth
5	Proto-Italic	ōs	mouth
6	Proto-Indo-European	h₃ésth₁	bone

via Spanish Cayo

Step	Language	Word	Meaning
1	Spanish	Cayo	key island
2	Taíno	cayo	small island

Words derived from “Cayo Hueso”

Key West
Keywester

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