Etymograph

English

gnathostegite

Gnathostegite comes from Ancient Greek στέγω ‘to cover’, and goes back to Proto-Indo-European *(s)teg-.

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)teg-1‘to cover, roof’reconstructed
  2. Ancient Greekc. 800–300 BCEστέγω2‘to cover’
  3. Englishtodaygnathostegite2

attested reconstructed ? uncertain or disputed deepest recorded ancestor

  1. 1 Wiktionary, Ancient Greek στέγω
  2. 2 Wiktionary, English gnathostegite

Lineage

  1. Proto-Indo-Europeanc. 4500–2500 BCE*(s)teg-Wiktionary, Ancient Greek στέγω‘to cover, roof’reconstructed
  2. Ancient Greekc. 800–300 BCEστέγωWiktionary, English gnathostegite‘to cover’
  3. EnglishtodaygnathostegiteWiktionary, English gnathostegite

Linked words

through Proto-Indo-European *(s)teg- ‘to cover, roof’

detective, detection, detect, tile, thug, sauna, toga, thatch, staccato, toque, 26 more

Today it means

noun One of a pair of broad plates, developed from the outer maxillipeds of crabs, and forming a cover for the other organs in the mouth.

Sources

Sources: Wiktionary, “gnathostegite”; the older steps come from the Wiktionary entry for Ancient Greek στέγω. 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 *(s)teg- / gnathostegite

Shirt and support for this word