Where does “jeff” come from?

jeff (English) comes from English Jeffrey, from English Geoffrey, from Middle English Geffrey, from Old French Geoffroi, from Medieval Latin Jotfredus.

Ancestry of “jeff”, step by step

Step	Language	Word	Meaning
1	English	Jeffrey	—
2	English	Geoffrey	—
3	Middle English	Geffrey	—
4	Old French	Geoffroi	—
5	Medieval Latin	Jotfredus	—

Words derived from “jeff”

Jeffy
Jeffo

Every word from Medieval Latin Jotfredus →

jeff — Etymology, Origin & Word History | Etymology Explorer