It's more than likely nostr:npub180cvv07tjdrrgpa0j7j7tmnyl2yr6yr7l8j4s3evf6u64th6gkwsyjh6w6, the founder of Nostr, who came up with the name. I think he was more than aware of the meaning of "nostr*" in Romance languages and that, although "Nostr" is described as an acronym, this was fully intentional.