It's interesting which Word of the Day sticks with me (well, not many,) or which makes me ponder for prolonged periods. April 18th' word was this, and somehow it intrigued me to no end, but this morning I couldn't remember the word nor why I was so intrigued. My short-term memory is really going quickly now; the only thing I remember is I was in the thick of the thin cotton project.
quiddity \KWID-ih-tee\, noun:
1. The essence, nature, or distinctive peculiarity of a thing.
2. A hairsplitting distinction; a trifling point; a quibble.
3. An eccentricity; an odd feature.