The quality or state of being finical; excessive attention to small details or being overly particular about things.
From finical (particular, fussy) plus -ity suffix (forming nouns from adjectives). This abstraction allows speakers to discuss the trait or behavior as a concept rather than describing a person.
The existence of words like 'finicality' shows how languages create new words to describe human behaviors—before industry needed quality control, nobody really had a word for obsessive attention to detail because it wasn't a valued professional skill!
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