Where does “fox” come from?

fox (Vulgar Latin) comes from Latin faux, from Latin fauces — throat, pharynx, gullet; a narrow entrance, entry...

Ancestry of “fox”, step by step

Step	Language	Word	Meaning
1	Latin	faux	singular of faucēs; throat, gullet; the upper...
2	Latin	fauces	throat, pharynx, gullet; a narrow entrance, entry...