vomit (n.) Look up vomit at Dictionary.com
late 14c., "act of expelling contents of the stomach through the mouth," from Latin vomitare "to vomit often," frequentative of vomere "spew forth, discharge," from PIE root *wem- "to spit, vomit" (cf. Greek emein "to vomit," emetikos "provoking sickness;" Sanskrit vamati "he vomits;" Avestan vam- "to spit;" Lithuanian vemiu "to vomit," Old Norse væma "seasickness"). In reference to the matter so ejected, it is attested from late 14c.
vomit (v.) Look up vomit at Dictionary.com
early 15c.; see vomit (n.). Related: Vomited; vomiting.