əbˈsiː.kwi.əs
Here's a breakdown:
* ob: Pronounced like "ob" in "object"
* se: Pronounced like "see" in "see"
* qui: Pronounced like "kwee" in "queen"
* ous: Pronounced like "us" in "bus"
Emphasis: The stress is on the second syllable ("qui").
So, it sounds like "uhb-SEE-kwee-us".