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Ballista

/bəˈlɪstə/noun

An ancient siege engine that shot bolts or stones using twisted cords for power.

The Greek roots

βάλλειν
bállein
to throw, hurl

Literally: thrower

The story of the word

βάλλω may be the most productive verb in the language. A thing thrown alongside is a παραβολή, giving parable and parabola; a thing thrown in your path is a πρόβλημα; a token thrown together to match its other half is a σύμβολον; and the one who throws accusations across, ὁ διάβολος, is the devil. Roman engineers took the noun for a torsion engine that drove a bolt down a groove, powered by skeins of twisted sinew rather than a bent bow.

How it travelled
Ancient Greek → Latin → English
First recorded
16th century

Same family

ballisticsymbolproblemparabledevil

In a sentence

A ballista bolt could go through a shield and the man behind it.

The museum has rebuilt a ballista from the carbonised frame found at the fort.

Built on the same root

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