Where does “cairnless” come from?

cairnless (English) comes from English cairn, from Scots cairn, from Scottish Gaelic carn, from Old Irish carn, from Proto-Celtic karnos, from Proto-Indo-European ḱerh₂- — head, top; horn.

cairnless (English): Of a landscape, lacking cairns or rocky outcrops

Definitions

  1. Of a landscape, lacking cairns or rocky outcrops

Ancestry of “cairnless”, step by step

cairnless traces back through two separate lines of ancestry.

via English cairn

StepLanguageWordMeaning
1EnglishcairnA rounded or conical heap of stones erected by...
2Scotscairn
3Scottish Gaeliccarnheap of stones
4Old Irishcarn
5Proto-Celtickarnoscairn; horn
6Proto-Indo-Europeanḱerh₂-head, top; horn

via English less

StepLanguageWordMeaning
1EnglishlessTo a smaller extent or degree; comparative form...
2Middle Englishlesfalse; lying; deceptive; falsehood; a lie
3Old Englishlēasfalse, lax; false, void, loose; devoid of, loose...
4Proto-Germanic*laus
Every word from Proto-Indo-European ḱerh₂-Every word from Proto-Celtic karnosEvery word from Old Irish carn