Where does “in” come from?

in (Old Danish) comes from Old Norse inn, from Proto-Germanic inn, from Proto-Germanic in, from Proto-Indo-European én — in.

Ancestry of “in”, step by step

StepLanguageWordMeaning
1Old Norseinnin, into; the
2Proto-Germanicinnin, into
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-Germanic inn →