argillaceous

The story

1. Ancient Greek · derived fromἄργιλλος“white clay, potter's earth”
2. Latin · borrowed fromargillaceus
3. English todayargillaceous

From Latin argillaceus, from argilla (“clay”), from Ancient Greek ἄργιλλος (árgillos, “white clay, potter's earth”), from ἀργός (argós, “white”).

Words from the same roots