This is the 708th most frequent Azerbaijani word.
əsir
"Əsir" means "prisoner" or "captive" in English.
Here, "əsir" is used as a noun meaning "prisoner" or "captive," referring to someone captured during a conflict.
Əsir müharibədə düşmən tərəfindən tutuldu.
The prisoner was captured by the enemy in the war.
In this sentence, "əsir" is used metaphorically as an adjective, describing someone who is emotionally or mentally captive by memories.
O, keçmişin xatirələrinə əsir olmuşdu.
He had become a captive of memories of the past.
Here, "əsir" is part of the verb phrase "əsir edilib" which means "has been captured or held captive," referring to the act of captivity.