This is the 806th most frequent Azerbaijani word.
qalmış
"Qalmış" means "left" or "remaining" in English.
In this sentence, 'qalmış' is used as a participle to describe the state of the book that it has stayed on the shelf.
Kitab rəfdə qalmışdır.
The book has remained on the shelf.
Here, 'qalmış' is part of a phrase indicating something that remains or is left unsaid or undone.
Onun haqqında çox şey qalmışdır.
There is much left to say about him.
In this usage, 'qalmışam' is the first-person singular form, expressing that I stayed behind as a result of the situation.