* It's a misspelling: Perhaps you meant a similar word like "erasmus," a common name and also referring to the Erasmus Programme for students.
* It's a regional dialect or slang: Some words are used in specific areas or communities and might not be widely known.
* It's a made-up word: It could be a creative invention or a name.
Can you provide more context? Knowing how you encountered this word would help me understand what you're looking for. For example:
* Where did you see or hear the word?
* What was the context surrounding the word?
With more information, I can give you a more specific and helpful answer.