French écureuil

← Middle French escureul (inherited)

← Middle French escuirel (mention)

← Middle French escurel (mention)

← Old French escurel (inherited)

← Ancient Greek σκίουρος (derived)

← Latin *scūrius (mention)

← Latin sciūrus (derived)

→ English squirrel (cognate)

→ Gallo étchuro (cognate)