quiddity

/หˆkwษชdษชti/

IPA: /K W IH1 D IH0 T IY0/

noun
  1. 1

    The essence or inherent nature of a person or thing.

  2. 2

    A trifle; a nicety or quibble.

  3. 3

    An eccentricity; an odd feature.

Source: https://en.wiktionary.org/wiki/quiddity