Here are some possibilities:
* "Enormously rent": This could be a phrase used to describe something very expensive to rent.
* "E-rent": This could be a shortened version of "electronic rent," perhaps referring to online payment of rent.
* "En-route rent": This could be a term used for rent paid during a temporary stay while en route to a final destination.
To understand the intended meaning, you need more context.
Please provide the sentence or situation where you encountered this word. This will help me understand what the writer meant and provide a more accurate explanation.