IPA: /ˈkwɒntɪfaɪər/
KK: /ˈkwɒntɪfaɪər/
A word or phrase that indicates the amount or quantity of something, often used in grammar and logic to express how many or how much.
In the sentence 'Many students passed the exam', 'many' is a quantifier that shows the quantity of students.
Quantifier → It is formed from "quantus" (meaning how much) and "-fier" (from Latin "facere", meaning to make or do). The word "quantifier" refers to something that makes or indicates the amount or quantity of something.
Think of 'how much' ('quantus') being 'made' or indicated ('-fier') — that's why a quantifier tells us about the amount.