Etymograph

English

fastidious

Fastidious comes from Latin fastīdiōsus ‘passive: that feels disgust, disdainful,…’, and goes back to fastīdium.

  1. Latinc. 75 BCE–200 CEfastīdium‘a loathing, aversion, disgust, niceness of taste, daintiness, etc’
  2. Latin, derivedc. 75 BCE–200 CEfastīdiōsus‘passive: that feels disgust, disdainful, scornful, fastidious’
  3. Englishearliest quotation 1897fastidious

attested reconstructed ? uncertain or disputed

Lineage

  1. Latinc. 75 BCE–200 CEfastīdium‘a loathing, aversion, disgust, niceness of taste, daintiness, etc’
  2. Latin, derivedc. 75 BCE–200 CEfastīdiōsus‘passive: that feels disgust, disdainful, scornful, fastidious’
  3. Englishearliest quotation 1897fastidious

Earliest quotation: 1897, Kate Chopin: “It's burn[t], M'sieur," said Marie Louise, politely, but decidedly,…”

A compound of fastus ‘disdain, haughtiness, arrogance, disgust’ + taedium ‘disgust’

Proto-Indo-European *bʰers- ‘tip’

Proto-Indo-European *bʰérstus

Latin fastus ‘disdain, haughtiness, arrogance, disgust’

Latin taeter ‘foul, loathsome’

Latin taedeō ‘to be disgusted’

Latin taedium ‘disgust’

The story

Borrowed from Latin fastīdiōsus (‘passive: that feels disgust, disdainful, scornful, fastidious; active: that causes disgust, disgusting, loathsome’), from fastīdium (‘a loathing, aversion, disgust, niceness of taste, daintiness, etc.’), perhaps for *fastutidium, from fastus (‘disdain, haughtiness, arrogance, disgust’) + taedium (‘disgust’).

Today it means

adj Excessively particular, demanding, or fussy about details, especially about tidiness and cleanliness.

Language periods are conventional ranges, not dates for this word.

Etymograph / Latin fastīdium / fastidious