Where does “καλαμάκι” come from?

καλαμάκι (Greek) comes from Greek καλάμι, from Ancient Greek καλάμιον, from Ancient Greek κάλαμος, from Proto-Indo-European ḱolh₂-m-, from Proto-Indo-European kolH- — to raise, to lift, to build; awn.

καλαμάκι (Greek): small rod; small wooden skewer; drinking straw