Meaning

noun the matter ejected in vomiting

noun a medicine that induces nausea and vomiting

noun the reflex act of ejecting the contents of the stomach through the mouth

originFrom Middle English vomiten, from Latin vomitāre (“vomit repeatedly”), frequentative form of vomō (“be sick, vomit”), from Proto-Indo-European *wemh₁- (“to spew, vomit”). Cognate with Old Norse váma (“nausea, malaise”), Old English wemman (“to defile”). More at wem.

Etymology from Wiktionary, CC BY-SA 3.0