Etymograph

English

sternum

Sternum comes from New Latin sternum ‘the breastbone’, and goes back to Proto-Indo-European *sterh₃- ‘to be broad, spread out’.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sterh₃-1‘to be broad, spread out’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*stér(h₃)-no-m1reconstructed
  3. Ancient Greekc. 800–300 BCEστέρνον2stérnon‘breast, chest’
  4. New Latinc. 1500–1900sternum3‘the breastbone’
  5. Englishearliest quotation 2020sternum3

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek στέρνον
  2. 2 Wiktionary, Latin sternum
  3. 3 Wiktionary, English sternum
  4. Earliest quotation in Wiktionary’s entry: 2020, Akwaeke Emezi, The Death of Vivek Oji: “The neckline fell into a V, showing the bone…”.

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*sterh₃-Wiktionary, Ancient Greek στέρνον‘to be broad, spread out’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*stér(h₃)-no-mWiktionary, Ancient Greek στέρνονreconstructed
  3. Ancient Greekc. 800–300 BCEστέρνονWiktionary, Latin sternumstérnon‘breast, chest’
  4. New Latinc. 1500–1900sternumWiktionary, English sternum‘the breastbone’
  5. Englishearliest quotation 2020sternumWiktionary, English sternum. Earliest quotation in Wiktionary’s entry: 2020, Akwaeke Emezi, The Death of Vivek Oji: “The neckline fell into a V, showing the bone…”

Linked words

through Proto-Indo-European *sterh₃- ‘to be broad, spread out’

street, straw, strand, prostrate, stratum, stratus, stroma, 10 more

Today it means

noun The breastbone, consisting of the manubrium, gladiolus, and xiphoid process.

Sources

Sources: Wiktionary, “sternum”; the older steps come from the Wiktionary entries for Ancient Greek στέρνον, Latin sternum. 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 *sterh₃- / sternum