What is "tsse"

TSSE is an abbreviation used by several sources for different purposes, including:

• Talar Saadat Stock Exchange: TSSE.ir
• Transition State Simulation Environment
• The Siemens Science Experience
• The Texas Symposium on Software Engineering
• The Shadow: Shattered Era, an Ultima Online player shard run through the POL emulator
• Total Ship Systems Engineering
• Trading Standards South East Authorities (TSSE Authorities)

Tsse (Ꚑ ꚑ; italics: Ꚑ ꚑ) is a letter of the Cyrillic script. The shape of the letter originated as a ligature of the Cyrillic letters Te (Т т Т т) and Es (С с С с).

Tsse is used in the Abkhaz language, where it represents the voiceless alveolo-palatal affricate . It is a Cyrillic letter corresponding to Ҵә.