Where does “σχοίνινος” come from?

σχοίνινος (Ancient Greek) comes from Ancient Greek Σχοῖνος, from Ancient Greek πλεκτός, from Ancient Greek πλέκω, from Finnish pleko, from Proto-Indo-European pleḱ-, from Proto-Indo-European pel- — to cover, to wrap; skin, hide, cloth; to fold.

σχοίνινος (Ancient Greek): made of rushes