The story
- Proto-Indo-European*upó
- Proto-Italic*supo
- Latinsub
- Latinsub-
- Proto-Indo-European*per-?
- Proto-Indo-European*pres-
- Proto-Italic*pres-
- Latinpremō
- Latinsupprimō
- Latinsuppressiō
- English todaysuppression
Borrowed from Latin suppressiō.
Etymology from Wiktionary, CC BY-SA 4.0.