- fuel (v.)
- 1590s, "feed or furnish with fuel," literal and figurative, from fuel (n.). Intransitive sense "to get fuel" (originally firewood) is from 1880. Related: Fueled; fueling.
- refuel (v.)
- also re-fuel, 1811, from re- "again" + fuel (v.). Originally in a spiritual sense. Related: Refueled; refuelling.