# haecceity

> English word · Noun · IPA /hɛkˈsiː.ə.tiː/

## Definitions
1. The essence of a particular thing that gives it its unique particularity; those qualities that make an individual this specific individual and not some other.

## Etymology
From Medieval Latin haecceitas (“thisness”) coined by Duns Scotus (from haec (“this, these”)) + -ity.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/haecceity