Etymograph

English

duricrust

Duricrust comes from Latin durus ‘hard’, from Proto-Indo-European *dweh₂rós ‘long’, and ultimately from *dweh₂-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂-1‘long, distant’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂rós1‘long’reconstructed
  3. Latinc. 75 BCE–200 CEdurus2‘hard’
  4. Englishtodayduricrust2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Latin durus
  2. 2 Wiktionary, English duricrust

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂-Wiktionary, Latin durus‘long, distant’reconstructed
  2. Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂rósWiktionary, Latin durus‘long’reconstructed
  3. Latinc. 75 BCE–200 CEdurusWiktionary, English duricrust‘hard’
  4. EnglishtodayduricrustWiktionary, English duricrust

Linked words

through Proto-Indo-European *dweh₂rós ‘long’

during, 11 more

through Latin durus ‘hard’

duration, endure, durable, durability, durant, duress, dour, dur, durum, 12 more

Today it means

noun A thin hard layer found near the surface in soil.

Sources

Sources: Wiktionary, “duricrust”; the older steps come from the Wiktionary entry for Latin durus. 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 *dweh₂- / duricrust