Origin of argillaceousClassical Latin argillaceus from argilla, clay from Classical Greek from argos, white: see argent
Origin of argillaceousFrom Latin argillāceus from argilla argil ; see argil .
(comparative more argillaceous, superlative most argillaceous)
- pertaining to clay; made of, containing, or resembling clay
From the Latin argillaceus, from argilla ‘clay’, from Greek αργιλλος.