The spelling of "Perstarium" is somewhat unusual, and can be a bit tricky to decipher. The key to understanding the spelling is to break it down into its individual sounds using IPA phonetic transcription. The first sound is a "p" sound, followed by an "er" sound that is pronounced like the word "her". The next syllable is "stah", with a long "a" sound, and the final syllable is "ree-um", with the emphasis on the second syllable. The overall effect is a unique and memorable word that can be easy to pronounce once you break it down.