tumultuous

The story

1. Latin · derived fromtumultuōsus“restless, turbulent”
2. Old French · derived fromtumultuous
3. English todaytumultuous

From Old French tumultuous (modern French tumultueux), from Latin tumultuōsus (“restless, turbulent”), from tumultus (“disturbance, uproar, violent commotion, tumult; agitation, disturbance, excitement”) + -ōsus (suffix meaning ‘full of, prone to’ forming adjectives from nouns).

First known use, by meaning

• from mid 16th c. Characterized by loud, confused noise.
• from mid 16th c. Causing or characterized by tumult; chaotic, disorderly, turbulent.