The story
- Late Latin · derived fromcōnfluentia“a flowing together, conflux”
- Middle English · inherited fromconfluence
- English todayconfluence
From late Middle English confluence, from Late Latin cōnfluentia (“a flowing together, conflux”), from cōnfluēns (present participle of cōnfluō (“to flow or run together”)) + -ia (nominal suffix).
Etymology from Wiktionary, CC BY-SA 4.0.