This brand name was completely invented. The name is very catchy and easy to spell. It sounds like "papyrus", a thick type of paper made from the papyrus plant.
The name "perminus" has eight characters and three syllables. Leading companies using three syllable names include Mastercard, Grammarly and Microsoft.
Perminus.com is a dot-com domain. Dot com domains are synonymous with websites. Once secured, a dot-com all but guarantees no-one else can outrank you for your own name in the long run.
This domain was first registered in August 2016. Older domains have an advantage when ranking in search engines.