Etymograph

English

diamond

Diamond comes from Old French diamant, from Late Latin diamās, probably an alteration of Latin adamās ‘adamant’, from Ancient Greek ἀδάμας ‘diamond; invincible’.

  1. Ancient Greekc. 800–300 BCEἀδάμαςadámās‘diamond; invincible’uncertain
  2. Latinc. 75 BCE–200 CEadamās‘adamant; diamond’uncertain
  3. Late Latinc. 200–600 CEdiamās
  4. Old Frenchc. 842–1400diamant
  5. Middle Englishc. 1150–1500dyamaunt
  6. Englishearliest quotation 1720diamond

attested reconstructed ? uncertain or disputed

Lineage

  1. Ancient Greekc. 800–300 BCEἀδάμαςadámās‘diamond; invincible’uncertain
  2. Latinc. 75 BCE–200 CEadamās‘adamant; diamond’uncertain
  3. Late Latinc. 200–600 CEdiamās
  4. Old Frenchc. 842–1400diamant
  5. Middle Englishc. 1150–1500dyamaunt
  6. Englishearliest quotation 1720diamond

Earliest quotation: 1720, Francis Nichols, Rudiments of Honour: “Elphingston. Pearl a Chevron Diamond between three Boars Heads…”

The story

The printing sense is a calque of Dutch diamant, used by Dirck Voskens who first cut it around 1700; compare pearl, ruby (‘size of type between pearl and nonpareil’).

Linked words

pairs

  • diamond and adamant both from Ancient Greek ἀδάμας ‘invincible’

through Proto-Indo-European *demh₂- ‘to tame, domesticate’

indomitable, daunt, 12 more

through Ancient Greek δαμνάω ‘conquer’

adamantine, 9 more

through Ancient Greek ἀδάμᾱς

diamante, 1 more

through Latin adamās ‘Adamant’

4 more

Today it means

noun A glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.

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

Etymograph / Ancient Greek ἀδάμας / diamond