The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*trísinflu.
- Proto-Indo-European*dwís
- Ancient Greekδῐ́ς (dĭ́s)
- Ancient Greekδῐπλόος (dĭplóos)
- Englishdiplo-
- Ancient Greekκόκκος (kókkos)
- Latincoccum
- New Latincoccu
- Englishcoccus
- English todaydiplococcus
Etymology from Wiktionary, CC BY-SA 4.0.