Sher-e-Bangla is a household word in Bangladesh.
Here, what is the meaning of the idiom "a household word"?

• The idiom "A Household Word" means - A well-known and popular person.

• Household word (Noun):
- English meaning: A person, thing, or name that has become very well known.
- Bangla meaning: জনসাধারণের নিকট সুপরিচিত শব্দ বা নাম।

The mentioned sentence: Sher-e-Bangla is a household word in Bangladesh.
Bangla meaning: শের-ই-বাংলা বাংলাদেশে একটি পরিচিত নাম।

Source: Advanced Learner's Communicative English Grammar & Composition By Chowdhury & Hossain.