Where does “idem” come from?

Idem comes from Latin idem, from Proto-Italic izdim, with the original sense obscured in the historical record.

idem (English): The same

Definitions

  1. The same

Ancestry of “idem”, step by step

StepLanguageWordMeaning
1Middle Englishidem—
2Latinidemthe same
3Proto-Italicizdim—

Words derived from “idem”

Every word from Proto-Italic izdim →Every word from Latin idem →Every word from Middle English idem →