This is the 7744th most frequent Russian word.
иверской
The Russian word "иверской" means "Iberian" (relating to Iberia, which can refer to either the Iberian Peninsula or the historical region of Caucasian Iberia depending on context).
In this sentence, "иверской" is used to describe the chapel, indicating that it is related to Iveria, a historical name for Georgia.
Я мечтаю побывать в Иверской часовне.
I dream of visiting the Iberian Chapel.
Here, "иверская" qualifies the icon, signifying that the icon is associated with the Iberian tradition or origin.
Иверская икона известна своей святыней.
The Iberian icon is known for its sanctity.
In this context, "иверской" characterizes the Virgin Mary, connecting her to the Iberian heritage or narrative.