Where does “esqueleto” come from?

esqueleto (Portuguese) comes from Ancient Greek σκελετός, from Ancient Greek σκελλώ, from Proto-Indo-European (s)kelh₁- — to parch, wither.

esqueleto (Portuguese): skeleton; a very thin person; frame; framework

Definitions

Step	Language	Word	Meaning
1	Ancient Greek	σκελετός	dried up, withered; dried body, mummy; skeleton
2	Ancient Greek	σκελλώ	to dry, dry up, to make dry, to parch; dry, dry...
3	Proto-Indo-European	(s)kelh₁-	to parch, wither