Theretofore (adverb)

Until that time; previously; beforehand.

Origin:

From middle english theretillfore, from there ("in that place") + tofore ("before").

Examples:

1. The company had never entered the international market, but had decided to do so theretofore.
2. The inventor had been working on the project for years, but had been unable to find a solution theretofore.
3. The politician had been a staunch supporter of the policy, but had changed his stance theretofore.
4. The athlete had never won a major championship, but had come close several times theretofore.
5. The city had been peaceful, but had been beset by unrest and violence theretofore.