名詞 quiddity:

1. an evasion of the point of an argument by raising irrelevant distinctions or objections
   同義詞：quibble, cavil
2. the essence that makes something the kind of thing it is and makes it different from any other
   同義詞：haecceity

quid.di.ty

n.（名詞）
【復(fù)數(shù)】 quid.di.ties
The real nature of a thing; the essence.
實質(zhì)：一事物的真實性質(zhì)；本質(zhì)
A hairsplitting distinction; a quibble.
吹毛求疵：作過于細微的區(qū)別；吹毛求疵

來源：
Medieval Latin quiddit3s
中世紀拉丁語 quiddit3s
from Latin quid [what] * see k wo-
源自 拉丁語 quid [什么] *參見 k wo-