• Ballistae were bigger than catapults but used the same idea
• Ballistics is the science of propulsion, flight and impact of projectiles fired from
guns. This word comes from the Greek word Ballein meaning "to throw", a word
that has many derivatives in our language
• Hyperbole is related to ballein, meaning excess or exaggeration. This word also
gave rise to hyperbola, a type of curve in geometry
• Metabolism is the sum of catabolism and anabolism.
• Parabola - a place alongside, a comparison, "para" means "alongside". The
Christians used this for proverbs, which is where we get the word parable
• Parabole came to mean word and then speech in the Roman empire, which is
where the French parler and Italian parlare comes from. We get our word
"parole" from this.
• From parabole, we also get parlour (a room for conversation), parley
(discussion), parlance (a manner of speech), parliament (council of state).
• Symbol is from symbole, and from the shortened stem -ble, we have emblem and
• Greek verb diabellein means "throw across" came to mean "accuse falsely,
slander", and a noun was formed from this verb, diabalos, "one who slanders, an