Where does “do” come from?

do (Welsh) comes from Proto-Celtic *tod, from Proto-Indo-European tód, from Proto-Indo-European to-, from Proto-Indo-European só — this; that.

do (Welsh): yes; indeed; first-person singular future of dod

Definitions

  1. yes; indeed; first-person singular future of dod

Ancestry of “do”, step by step

StepLanguageWordMeaning
1Proto-Celtic*todyes
2Proto-Indo-Europeantóddemonstrative pronoun; that; it
3Proto-Indo-Europeanto-it; that; the, that
4Proto-Indo-Europeansóthis; that

Words derived from “do”

Every word from Proto-Indo-European só →Every word from Proto-Indo-European to- →Every word from Proto-Indo-European tód →