Tleh-POH-leh-mus
Here's a breakdown:
* Tleh: The "T" is pronounced as a "T" sound, similar to "tree."
* POH: The "O" is pronounced as a long "O" sound, similar to "toe."
* leh: The "E" is pronounced as a short "E" sound, similar to "let."
* mus: The "U" is pronounced as a short "U" sound, similar to "put."
This pronunciation is based on ancient Greek pronunciation rules, and it is the most accepted pronunciation today.