Where does “émétique” come from?

émétique (French) comes from Latin emeticus, from Ancient Greek ἐμετικός, from Ancient Greek ἔμετος, from Ancient Greek ἐμέω, from Ancient Greek ϝεμέω, from Proto-Indo-European *wémh₁ti, from Proto-Indo-European wemh₁- — to spew, to vomit.

émétique (French): emetic; an emetic