The story
- Latin · learned borrowing fromassiduus
- English todayassiduous
A learned borrowing from Latin assiduus, from assidere (“to sit down to”), from ad- (“to”) + sedere (“to sit”). Compare sedulous. Cognate (via assidere) to assess.
Words from the same roots
Latinassiduus all →
assiduity
Etymology from Wiktionary, CC BY-SA 4.0.