Where does “λάγινος” come from?

λάγινος (Ancient Greek) comes from Ancient Greek Λαγώς, from Ancient Greek λαγοωυσός, from Ancient Greek οὖς, from Ancient Greek ὀδούς, from Proto-Hellenic odónts, from Proto-Indo-European h₃dónts, from Proto-Indo-European h₁ed- — to eat.

λάγινος (Ancient Greek): of the hare