Where does “saor-thoileach” come from?

saor-thoileach (Scottish Gaelic) comes from Scottish Gaelic toileach, from Scottish Gaelic -ach, from Old Irish -ach, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

saor-thoileach (Scottish Gaelic): volunteer; voluntary; spontaneous

Definitions

  1. volunteer; voluntary; spontaneous

Ancestry of “saor-thoileach”, step by step

saor-thoileach traces back through two separate lines of ancestry.

via Scottish Gaelic toileach

StepLanguageWordMeaning
1Scottish Gaelictoileachdesirous, voluntary, willing
2Scottish Gaelic-achForming nouns from nouns and adjectives with the...
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...

via Scottish Gaelic saor

StepLanguageWordMeaning
1Scottish Gaelicsaorfree; cheap; free, rescue, save
2Old Irishsóerfree; freeman; noble
3Proto-Celtic*[[su-]][[wiros]]
Every word from Proto-Indo-European -kosEvery word from Scottish Gaelic -achEvery word from Old Irish -ach