Where does “zi” come from?

zi (Old High German) comes from Proto-Germanic ta, from Proto-Germanic tō, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

Ancestry of “zi”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	ta	to
2	Proto-Germanic	tō	to
3	Proto-Indo-European	de	Emphatic or contrastive particle, and, but;...

Words derived from “zi”

zu
ze
ze
zu Hause
zewāre
biz
zunichte
zevill
bis
Biss
bis
zwar
bis
bisher
bisherig

Every word from Proto-Indo-European de →Every word from Proto-Germanic tō →Every word from Proto-Germanic ta →