IPA: /djuˈreɪʃən/
KK: /dʊˈreɪʃən/
The length of time that something continues or exists.
The duration of the movie is two hours.
Duration → It is formed from "durare" (meaning to last) and the suffix "-tion" (indicating the action or result of). The word "duration" refers to the state of lasting or the period during which something continues.
Think of something that 'lasts' ('durare') — that's why 'duration' means the period something continues.