SEK-ənd-mən-t
Here's a breakdown:
* SEK: The "S" is pronounced as in "second".
* ənd: The "e" is a short, unstressed vowel sound, similar to the "e" in "the".
* mən: This is the standard pronunciation of "ment".
* t: The final "t" is clearly pronounced.
Let me know if you'd like to hear it spoken aloud!