Devanagari inscription – What does it mean?

What does a Devanagari inscription Aiⁿ oⁿhriⁿtriⁿhaⁿpaṭ (aiN oN-hriN-triN-haN-pat.) or similar could mean in any language? It was written on a ring. We're not sure if it's a real word or just jumbled characters. It's been transcribed letter-by-letter, so there can be errors. Does anyone speak Indo-Aryan languages?