Etymograph

English

dietary

Dietary comes from Medieval Latin diētārium ‘book prescribing diet’, from Ancient Greek δῐ́αιτα ‘way of living, living space’, and ultimately from διαιτάω ‘to treat, handle’.

  1. Ancient Greekc. 800–300 BCEδιαιτάωdiaitáō‘to treat, handle’
  2. Ancient Greek, derivedc. 800–300 BCEδῐ́αιτα‘way of living, living space’
  3. Latinc. 75 BCE–200 CEdiaeta‘diet’
  4. Medieval Latinc. 600–1500diētārium‘book prescribing diet’
  5. Englishearliest quotation 1837dietary

attested reconstructed ? uncertain or disputed

Earlier history uncertain.

Lineage

  1. Ancient Greekc. 800–300 BCEδιαιτάωdiaitáō‘to treat, handle’
  2. Ancient Greek, derivedc. 800–300 BCEδῐ́αιτα‘way of living, living space’
  3. Latinc. 75 BCE–200 CEdiaeta‘diet’
  4. Medieval Latinc. 600–1500diētārium‘book prescribing diet’
  5. Englishearliest quotation 1837dietary

Earliest quotation: 1837, Boz pseudonym; Charles Dickens, Treats of Oliver Twist’s Growth, Education, and Board: “Do I understand that he asked for more, after…”

Linked words

through Proto-Indo-European *h₂ey- ‘to give, be given’

young, age, early, era, junior, juvenile, longevity, enigma, ere, juvenal, 24 more

Today it means

noun A regulated diet that excludes or constrains certain types of food, especially for health reasons; also, a book or similar setting out such regulations.

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

Etymograph / Ancient Greek διαιτάω / dietary