voussoir

The story

1. Latin · derived fromvolvō“to roll”
2. Vulgar Latin · derived from*volsorium
3. Old French · derived fromvosoir
4. French · borrowed fromvoussoir
5. English todayvoussoir

Unadapted borrowing from French voussoir, from Old French vosoir, from Vulgar Latin *volsorium, from *volsus, from Latin volvō (“to roll”).

Words from the same roots

First known use, by meaning

• from 1728 One of a series of wedge-shaped bricks or stones forming an arch or vault.