The story
- Latin · derived fromrudis
- French · derived fromrudistes
- English todayrudist
From French rudistes (plural), from rude (“rough, uneven”), or its source, Latin rudis. Compare scientific Latin Rudista.
Words from the same roots
Latinrudis all →
rude
First known use, by meaning
- from 19th c. Any of many box-, tube- or ring-shaped marine heterodont bivalves from the Jurassic and Cretaceous periods.
Etymology from Wiktionary, CC BY-SA 4.0.