Ã±i is one of the relationals. It denotes an object that has changed its state or location. Ã±i is often inflected for animate agent.
In the North Wind and the Sun, sentence four reads:
il aÃ¾ Ã±i marÄona nÄ«kamma jalÅ«ra jacÄlle rÄjanÅ;
We discussed marÄona nÄ«kamma jalÅ«ra jacÄlle yesterday. Ã±i plus rÄjanÅ (“along“) denotes the change in location of our wanderer with a warm cloak. Namely, that s/he is in motion along a path that leads to our protagonists.