IPA: /rɪˈvɜːrʒən/
KK: /rɪˈvɜrʒən/
A return to a previous state, condition, or belief, often indicating a reversal of progress or change.
The company experienced a reversion to its old policies after the management change.
Reversion is formed from "re-" (meaning again) and "vertere" (meaning to turn). The word describes the act of turning back to a previous state or condition.
Think of 'turning back' ('vertere') to a previous state ('re-') — that's what reversion means.