## Meanings
1. A substance such as wood, coal, gas, or oil that is burned to produce heat or power.
2. To supply something with fuel.
3. Something that makes a feeling or situation stronger.
4. To make something stronger or more active.

## Examples
- Cars need fuel to run.
- They stopped to fuel the car before the long drive.
- His angry words were fuel for the argument.
- The new report fueled the debate about climate change.

## Derived Forms
- agrofuel
- biofuel
- defuel
- e-fuel
- electrofuel
- flex-fuel
- fuel-poor
- fueldraulic
- fueler
- fuelie
- fuelish
- fuelless

## Roots and Affixes
- Root: fuayle
- Root: fouaille
- Root: focus

## Etymology
From Middle English fuayle, from Old French fouaille, feuaille (“firewood, kindling”), from feu (“fire”), from Late Latin focus (“fire”), from Latin focus (“hearth”), whence English focus. Cognate with Spanish fuego (“fire”), and Portuguese fogo (“fire”).

## AI Etymology
Fuel comes from Middle English fuayle, from Old French fouaille, feuaille (“firewood, kindling”), from feu (“fire”), from Late Latin focus (“fire”), from Latin focus (“hearth”), whence English focus. Cognate with Spanish fuego (“fire”), and Portuguese fogo (“fire”). In current use, the main senses are “A substance such as wood, coal, gas, or oil that is burned to produce heat or power” and “To supply something with fuel”.

## Topics
- Energy & Industry

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