Where does “ècurél” come from?

ècurél (Franco-Provençal) comes from Late Latin scuriolus, from Latin sciūrus, from Ancient Greek σκίουρος, from Ancient Greek σκιά, from Proto-Indo-European (s)ḱeh₃ih₂, from Proto-Indo-European (s)ḱeh₃- — darkness, shadow.

ècurél (Franco-Provençal): squirrel

Definitions

squirrel

Ancestry of “ècurél”, step by step

Step	Language	Word	Meaning
1	Late Latin	scuriolus	—
2	Latin	sciūrus	squirrel
3	Ancient Greek	σκίουρος	squirrel
4	Ancient Greek	σκιά	shadow; shade
5	Proto-Indo-European	(s)ḱeh₃ih₂	shadow, shade
6	Proto-Indo-European	(s)ḱeh₃-	darkness, shadow

Every word from Proto-Indo-European (s)ḱeh₃- →Every word from Proto-Indo-European (s)ḱeh₃ih₂ →Every word from Ancient Greek σκιά →