What's the difference between i.e. and e.g.?
mid-12c., "plant of the mustard family, like watercress," from Latin nasturtium "cress;" the popular etymology explanation of the name (Pliny) is that it is from Latin *nasitortium, literally "nose-twist," from nasus "nose" (see nose (n.)) + past participle of torquere "to twist" (see thwart); the plant so called for its pungent odor. Modern application to a South American trailing plant with orange flowers first recorded 1704.