Where does “costasach” come from?

costasach (Irish) comes from Irish -ach, from Middle Irish -ach, from Old Irish -ach, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

costasach (Irish): costly, expensive; sumptuous

Definitions

  1. costly, expensive; sumptuous

Ancestry of “costasach”, step by step

StepLanguageWordMeaning
1Irish-achForms nouns from other nouns and adjectives with...
2Middle Irish-achForms adjectives meaning "related to, having,...
3Old Irish-achForms adjectives meaning "related to, having,...
4Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
5Proto-Indo-European-eh₂ḱos
6Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kosEvery word from Irish -achEvery word from Old Irish -ach