Iss-prid
Here's a breakdown:
* Iss: The "s" is similar to the "s" in "sin", but slightly softer.
* prid: The "p" is similar to the English "p". The "ri" sounds like "ree" in "tree", and the "d" is similar to the English "d".
Let me know if you'd like to hear it pronounced! There are many online resources available that can help you learn how to pronounce Welsh words.