Where does “in-” come from?

in- (Medieval Latin) comes from Proto-Italic en-, from Proto-Indo-European n̥-, from Proto-Indo-European ne — not.

in- (Medieval Latin): un-, non-, not; in, within, inside

Definitions

  1. un-, non-, not; in, within, inside

Ancestry of “in-”, step by step

StepLanguageWordMeaning
1Proto-Italicen-un-
2Proto-Indo-Europeann̥-not, un-
3Proto-Indo-Europeannenot

Words derived from “in-”

Every word from Proto-Indo-European ne →Every word from Proto-Indo-European n̥- →Every word from Proto-Italic en- →