sobriquet
Definition
A nickname, often descriptive or affectionate, that has been widely adopted.
বাংলা একটি উপাধি, প্রায়শই বর্ণনামূলক বা স্নেহপূর্ণ, যা ব্যাপকভাবে গৃহীত হয়।
Example
"Louis Armstrong was known by the sobriquet 'Satchmo' during his career."