Etymograph

English

platinum

Platinum comes from Spanish platina ‘little silver’, from Vulgar Latin *plattus ‘flattened’, and ultimately from Proto-Indo-European *pleth₂- ‘flat’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleth₂-1‘flat’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pléth₂us1‘flat, broad’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*plətús1‘wide, broad’reconstructed
  4. Ancient Greekc. 800–300 BCEπλατύς1platús‘wide’
  5. Vulgar Latinc. 100–700 CE*plattus1‘flattened’reconstructed
  6. Spanishc. 1500–presentplata1‘silver’
  7. Spanishc. 1500–presentplatina1‘little silver’
  8. Englishtodayplatinum1

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, English platinum

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*pleth₂-Wiktionary, English platinum‘flat’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*pléth₂usWiktionary, English platinum‘flat, broad’reconstructed
  3. Proto-Hellenicc. 2200–1600 BCE*plətúsWiktionary, English platinum‘wide, broad’reconstructed
  4. Ancient Greekc. 800–300 BCEπλατύςWiktionary, English platinumplatús‘wide’
  5. Vulgar Latinc. 100–700 CE*plattusWiktionary, English platinum‘flattened’reconstructed
  6. Spanishc. 1500–presentplataWiktionary, English platinum‘silver’
  7. Spanishc. 1500–presentplatinaWiktionary, English platinum‘little silver’
  8. EnglishtodayplatinumWiktionary, English platinum

The story

It was called "little" (or "lesser") silver because the metal was found as an impurity in gold, and del Pinto for the Pinto River in Gran Colombia where Europeans discovered it being mined by Native Americans.

Full etymology on Wiktionary

Linked words

through Proto-Indo-European *pleth₂- ‘flat’

flat, lateral, piazza, plateau, flan, plantain, 14 more

through Proto-Hellenic *plətús ‘wide, broad’

plaza, 6 more

through Ancient Greek πλατύς ‘wide’

plane, platform, plaice, 5 more

through Vulgar Latin *plattus ‘flattened’

platen, 3 more

through Spanish plata ‘silver’

plate, 1 more

Today it means

noun The chemical element with atomic number 78 and symbol Pt; a dense, malleable, ductile, highly unreactive, silverish-white transition metal of great value.

Sources

Sources: Wiktionary, “platinum”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / Proto-Indo-European *pleth₂- / platinum

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