IPA: /ɪkˈstɪŋɡwɪʃ/
KK: /ɪkˈstɪŋɡwɪʃ/
To put out a fire or light; to make something stop burning or shining.
The firefighters worked hard to extinguish the flames.
Past: extinguished
Past Participle: extinguished
Extinguish is formed from "ex-" (meaning out) and "tinguere" (meaning to wet or moisten). The word describes the act of putting out a fire by removing its moisture or extinguishing it completely.
Think of 'removing moisture' ('ex-') to 'put out' a fire — that's why extinguish means to put out a flame.