IPA: /ˌtrɪb.jʊˈleɪ.ʃən/
KK: /trɪˈbjuːleɪʃən/
A difficult or painful experience that causes suffering or distress.
After many years of tribulation, she finally found peace and happiness.
Tribulation is formed from "tribulatio" (from Latin, meaning a pressing or oppression) and the suffix "-tion" (meaning the action or process of). The word refers to the action or process of being pressed or oppressed, often used to describe severe trials or suffering.
Think of the Latin root meaning 'pressing' or 'oppression' to remember that tribulation refers to a time of great suffering or trial.