Where does “lastoir” come from?

lastoir (Irish) comes from Irish thoir, from Old Irish tair, from Old Irish dó, from Proto-Celtic *dū, from Proto-Indo-European de — Emphatic or contrastive particle, and, but;...

lastoir (Irish): on the east side

Definitions

  1. on the east side

Ancestry of “lastoir”, step by step

lastoir traces back through two separate lines of ancestry.

via Irish thoir

StepLanguageWordMeaning
1Irishthoireasterly, to the east; in the east; Lenited form...
2Old Irishtairsecond-person singular imperative of do·icc and...
3Old Irishthird-person singular masculine and neuter of do;...
4Proto-Celtic*dūto, towards
5Proto-Indo-EuropeandeEmphatic or contrastive particle, and, but;...

via Proto-Indo-European las-

StepLanguageWordMeaning
1Proto-Indo-Europeanlas-to be willing, covetous; weak; eager
Every word from Proto-Indo-European deEvery word from Proto-Celtic *dūEvery word from Old Irish