Etymology Explorer › Old Irish

Where does “to-” come from?

to- (Old Irish) comes from Old Irish aith-, from Proto-Celtic ati-, from Proto-Indo-European éti, from Proto-Indo-European h₁é, from Proto-Indo-European ǵʰe.

to- (Old Irish): prefix used to create verbs and associated verbal...

Definitions

  1. prefix used to create verbs and associated verbal...

Ancestry of “to-”, step by step

StepLanguageWordMeaning
1Old Irishaith-re-; second, a further; ex-
2Proto-Celticati-re-, again, second, further
3Proto-Indo-Europeanétibeyond; over
4Proto-Indo-Europeanh₁éand, then
5Proto-Indo-Europeanǵʰe—

Words derived from “to-”

  • tanistry
  • tanist
  • fístaifeadán
  • taifeadán
  • buantairbhe
  • tairbhe
  • tánaiste
  • taifead
  • teagaisg
  • mì-thairbhe
  • tairbhe
  • do·inchoisc
  • doléici
  • domeil
  • dotét
  • doscara
  • taidmet
  • taithmet
  • doicc
  • torbae
  • torbatu
  • doboing
  • tánaise
  • domuinethar
Every word from Proto-Indo-European ǵʰe →