triumph
noun
the act, fact, or condition of being victorious or triumphant; victory; conquest.
Used to describe an action that was ongoing continuously in the past up until another past event interrupted it.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Gradually the spirit of the Gospel had been triumphing over this abomination.
From The Hermits by Charles Kingsley