Tzenketh
Tzenketh, also known as the Tzenkethi homeworld, was an inhabited planet in the Tzenketh system of the Alpha Quadrant. This planet was the homeworld of the Tzenkethi, a warp-capable species. ()

Elim Garak once conducted a mission on Tzenketh while an agent in the Obsidian Order. During the operation he was trapped when a room's walls collapsed on him, causing an attack of claustrophobia. ()

Appendices

Background information 
 It was first mentioned in "By Inferno's Light". In "The Adversary", it was referred to as the Tzenkethi homeworld.

According to the script for "By Inferno's Light", the pronunciation for this planet's name was "TSEN-keth". 

Benjamin Sisko states in "The Adversary" that the Tzenkethi leader is called "the Autarch", suggesting that the Tzenkethi government is an . 

According to Star Trek: Star Charts (p. 36) and Stellar Cartography: The Starfleet Reference Library ("Stellar Cartography", p. 11),  it was suggested through inference, with the Tzenketh system being identified as the capital system, that Tzenketh was the capital planet of the . According to the Stellar Cartography: The Starfleet Reference Library ("The Dominion War: Strategy and Battles, 2373-75"), the Tzenkethi Coalition was neutral in the Dominion War.

Apocrypha 
In the MMO Star Trek Online, Tzenketh is present in the Alpha Quadrant, but not currently accessible. Season 12: Reckoning introduces its dominant species, the Tzenkethi, as a new adversary.

External link 
 

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Planets
Homeworlds