Where does “monofuel” come from?

monofuel (English) comes from English fuel, from Middle English fuayle, from Old French fouaille, from Old French feu, from Late Latin focus, from Latin focus — fireplace, hearth; firepan, coal pan, brazier;...

Ancestry of “monofuel”, step by step

monofuel traces back through two separate lines of ancestry.

via English fuel

StepLanguageWordMeaning
1EnglishfuelSubstance consumed to provide energy through...
2Middle EnglishfuayleFuel; items to be burnt
3Old Frenchfouaillefirewood; torch
4Old Frenchfeufire
5Late Latinfocusfire
6Latinfocusfireplace, hearth; firepan, coal pan, brazier;...

via English mono

StepLanguageWordMeaning
1EnglishmonoClipping of mononucleosis; A bicycle or...
2Englishmono-API; one, single, only
3Ancient Greekμονο-one; mono-
Every word from Latin focus →Every word from Late Latin focus →Every word from Old French feu →