Portuguese
gás lacrimogéneo Catalan
gas lacrimògen 
A gas that irritates mucous membranes in the eyes, nose, mouth and lungs, and causes tearing, pain, and sometimes blindness.
1
One sulfur product is produced in significant quantities only in the onion, shallot, leek, chive, and rakkyo: the "lacrimator," which causes our eyes to water.