IPA: /stəˈnɒɡrəfi/
KK: /stɪˈnɒɡrəfi/
The skill or method of writing quickly using special symbols to represent words, often used for transcribing speech.
She took notes in class using stenography to keep up with the lecture.
Stenography is formed from "steno-" (from Greek "stenos", meaning narrow) and "graphia" (from Greek "grapho", meaning to write). The word refers to a method of writing in a narrow or abbreviated form, typically used for transcription.
Think of 'narrow' ('steno-') writing — that's why stenography means writing in a compact or abbreviated way.