Aherdof cattle is coming.
The underlined word here is a -

• A herd of cattle is coming.
- The underlined word here is a collective Noun.

• Collective Noun:
- A Collective Noun is the name of a number (or collection) of persons or things taken together and spoken of as one whole.
- যে সকল Noun দ্বারা সমজাতীয় কিছু ব্যক্তি, বস্তুর সমষ্টিকে বোঝায় তাদেরকে Collective Noun বলে।
- অর্থাৎ কিছু Common Noun এর সমষ্টিকেই collective noun বলে।

• কিছু collective noun হচ্ছে:
- cattle,
- herd,
- army,
- public,
- library,
- jury,
- committee,
- crew,
- majority,
- minority etc.