Where does “in” come from?

in (Middle High German) comes from Old High German in, from Proto-West Germanic *in, from Proto-Germanic in, from Proto-Indo-European én — in.

Ancestry of “in”, step by step

StepLanguageWordMeaning
1Old High Germaninin
2Proto-West Germanic*in—
3Proto-Germanicinin; into
4Proto-Indo-Europeanénin

Words derived from “in”

Every word from Proto-Indo-European én →Every word from Proto-Germanic in →Every word from Proto-West Germanic *in →