-coccus

The story

1. Ancient Greekκόκκος (kókkos)
2. Latincoccum
3. New Latincoccu
4. Englishcoccus
5. English today-coccus

From coccus, a learned borrowing from New Latin coccus, from Latin coccum (“a berry yielding a scarlet dye”), borrowed from Ancient Greek κόκκος (kókkos, “grain, seed, berry”), possibly from Pre-Greek.