Paradox of language: smelly feet and runny nose [closed]

How come our nose run and our feet smell? What is the etymology of this paradox phrase?


There isn't one. Smelly feet/feet smell refers to the odour or scent given off by the feet:

smell, v.

  1. a. intr. To give out, send forth, or exhale an odour; to have a smell, scent, etc.

A runny nose uses the following definition of runny:

runny, adj.

  1. a. Tending to run or flow; having the consistency of liquid, fluid, not set; soft, melting; watery.

  2. orig. U.S. Of the nose: running, discharging mucus. Of the eyes: watering, or tending to water.