IPA: /ˌɛlɪˈmɛn.tə.ri/
KK: /ˌɛlɪˈmɛnˌtɛri/
Relating to the most basic or simple parts of something, often used in the context of education or fundamental concepts.
The teacher explained the elementary concepts of math to the young students.
Elementary → It is formed from "element" (from Latin "elementum", meaning a basic principle or component) and the suffix "-ary" (meaning relating to or connected with). The word "elementary" refers to something that is basic or fundamental, relating to the essential components of a subject.
Think of the word 'element' as referring to the basic parts of something, and remember that 'elementary' means relating to those basic parts.