IPA: /ɪnˈdɛnʃən/
KK: /ɪnˈdɛnʃən/
A space or gap at the beginning of a line of text, often used to show a new paragraph or to organize information.
Make sure to add an indention at the start of each new paragraph in your essay.
Indention is formed from "in-" (meaning into or within) and "dent" (from Latin "dentare", meaning to tooth or make a notch). The word refers to the act of making a notch or indentation into a surface.
Think of making a 'notch' ('dent') into something 'within' ('in-') — that's why indention means creating a space or mark.