Where does “bacher” come from?

bacher (Old High German) comes from Proto-Germanic bakārijaz, from Proto-Germanic -ārijaz, from Latin -ārius, from Proto-Italic *-āzios.

Ancestry of “bacher”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	bakārijaz	One who creates baked goods; baker
2	Proto-Germanic	-ārijaz	-er
3	Latin	-ārius	—
4	Proto-Italic	*-āzios	—

bacher — Etymology, Origin & Word History | Etymology Explorer