Where does “cid” come from?

cid (Old Irish) comes from Old Irish ís, from Proto-Celtic ɸīssu, from Proto-Indo-European pedsú, from Proto-Indo-European pṓds, from Proto-Indo-European póds, from Proto-Indo-European ped- — to walk, to step; to stumble, to fall.

cid (Old Irish): what?; why?; though… is

Definitions

  1. what?; why?; though… is

Ancestry of “cid”, step by step

cid traces back through 3 separate lines of ancestry.

via Old Irish ís

StepLanguageWordMeaning
1Old Irishísunder, below, beneath
2Proto-Celticɸīssuunder
3Proto-Indo-Europeanpedsú—
4Proto-Indo-Europeanpṓdsfoot
5Proto-Indo-Europeanpódsfoot
6Proto-Indo-Europeanped-to walk, to step; to stumble, to fall

via Proto-Celtic kʷid

StepLanguageWordMeaning
1Proto-Celtickʷidwhat
2Proto-Indo-Europeankʷídneuter nominative/accusative singular of *kʷís
3Proto-Indo-Europeankʷíswho, what; who, which, that; which, what
4Proto-Indo-Europeankʷi-interrogative base

via Old Irish cía

StepLanguageWordMeaning
1Old Irishcíawho? what?; whoever, whatever; whatever
2Proto-Celtic*kʷeiwho
3Proto-Indo-European*kʷís—

Words derived from “cid”

Every word from Proto-Indo-European ped- →Every word from Proto-Indo-European póds →Every word from Proto-Indo-European pṓds →