Isthmian script

The Isthmian script is a very early Mesoamerican writing system in use in the area of the Isthmus of Tehuantepec from perhaps 500 BCE to 500 CE, although there is disagreement on these dates. It is also called the La Mojarra script and the Epi-Olmec script ('post-Olmec script').

Isthmian script
Detail showing three columns of glyphs from La Mojarra Stela 1. The two right columns are Isthmian glyphs. The left column gives a Mesoamerican Long Count calendar date of 8.5.16.9.7, or 156 CE.
Script type
Undeciphered
(assumed to be logo-syllabic)
Time period
Perhaps ca. 500 BCE to ca. 500 CE
Directiontop-to-bottom Edit this on Wikidata
LanguagesEpi-Olmec (ISO639-3:xep)

Isthmian script is structurally similar to the Maya script, and like Maya uses one set of characters to represent logograms (or word units) and a second set to represent syllables.

Recovered texts

The four most extensive Isthmian texts are those found on:

Other texts include:

  • A few Isthmian glyphs on four badly weathered stelae — 5, 6, 8, and probably 15 — at Cerro de las Mesas.
  • Approximately 23 glyphs on the O'Boyle "mask", a clay artifact of unknown provenance.[1]
  • A small number of glyphs on a pottery-sherd from Chiapa de Corzo. This sherd has been assigned the oldest date of any Isthmian script artifact: 450–300 BCE.[2]

Decipherment

In a 1993 paper, John Justeson and Terrence Kaufman proposed a partial decipherment of the Isthmian text found on the La Mojarra Stela, claiming that the language represented was a member of the Zoquean language family.[3] In 1997, the same two epigraphers published a second paper on Epi-Olmec writing, in which they further claimed that a newly discovered text-section from the stela had yielded readily to the decipherment-system that they had established earlier for the longer section of text.[4] This led to a Guggenheim Fellowship for their work, in 2003.

The following year, however, their interpretation of the La Mojarra text was disputed by Stephen D. Houston and Michael D. Coe, who had tried unsuccessfully to apply the Justeson-Kaufman decipherment-system to the Isthmian text on the back of the hitherto unknown Teotihuacan-style mask (which is of unknown provenance and is now in a private collection).[5]

Along with proposing an alternative linguistic attribution of Epi-Olmec writing as proto-Huastecan, Vonk (2020) argued that the size of the corpus compares unfavorably in comparison with the rate of repetition within the corpus, so that a unique decipherment is simply impossible given the current state of affairs. He goes on in illustrating the principal applicability of readings in random Old and New world languages (including Ancient Greek, Latin, Spanish and German) to demonstrate the coincidental nature of any such proposals.[6]

The matter is still under discussion. In Lost Languages (2008) Andrew Robinson summarises the position as follows:

Overall, then, the case for the Justeson/Kaufman 'decipherment' of Isthmian is decidedly unproven and currently rests on shaky foundations ... What it needs, more urgently than some other 'decipherments' given its evident linguistic sophistication, is the discovery of a new text or texts as substantial as the one found at La Mojarra in 1986.[7]

Notes
  1. "Mask with Incised Design in Epi-Olmec Script".
  2. Pérez de Lara and Justeson.
  3. Justeson and Kaufman (1993).
  4. Justeson and Kaufman (1997).
  5. Brigham Young University press-release. Despite the lack of provenance, Houston "is confident it [the mask text] was written sometime between A.D. 300 and 500" which would place it 150 to 250 years later than the La Mojarra stela.
  6. Vonk, Thomas (2020-02-12). "Yet Another "Decipherment" of the Isthmian Writing2 System". {{cite journal}}: Cite journal requires |journal= (help)
  7. Robinson, p. 263.

See also

References
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