Overview

Sho (capital Ϸ, small ϸ) is a letter created by speakers of the Bactrian language to record a sound absent from classical Greek. When writers adapted the Greek alphabet to Bactrian they introduced sho to represent the voiceless postalveolar fricative /ʃ/ — the sound commonly written in English as "sh."

Characteristics and usage

The glyphs Ϸ and ϸ are visually distinct from standard Greek letters and were used alongside the usual Greek signs in Bactrian texts. Sho functioned phonemically like other alphabetic letters and appears in names, titles and ordinary words in written Bactrian sources. In modern transliteration it is usually rendered as š or as the digraph sh.

Historical context and evidence

Bactrian is an Eastern Iranian language that was written in modified Greek script during the early centuries of the Common Era, notably under the Kushan dynasty and in subsequent local administrations. Evidence for sho survives mainly in coin legends, inscriptions and occasional manuscript fragments. Its addition reflects a common practice of adapting an inherited script by creating or borrowing signs for sounds not present in the donor language.

  • Sho is not part of classical Greek and should not be confused with similar-looking Greek letters.
  • Its phonetic role resembles the Cyrillic letter Ш (sh), but the two signs have different origins and graphic traditions.
  • Scholars transcribe the sound as /ʃ/ and often use the Latin š for compact representation.

Modern treatment

For digital texts and scholarly editions sho is provided in the Greek Extended block of Unicode (encoded for capital and small forms). Its study contributes to understanding how scripts are adapted to new linguistic environments and helps reconstruct the phonology and orthography of Bactrian from surviving artifacts.