Where does “holier” come from?

holier (English) comes from English holy, from Middle English holi, from Old English hāliġ, from Proto-West Germanic hailag, from Proto-Germanic hailagaz, from Proto-Germanic hailaz, from Proto-Indo-European *kéh₂ilos — healthy.

holier (English): comparative form of holy: more holy; more sacred;...

Definitions

  1. comparative form of holy: more holy; more sacred;...

Ancestry of “holier”, step by step

holier traces back through two separate lines of ancestry.

via English holy

StepLanguageWordMeaning
1EnglishholyDedicated to a religious purpose or a god;...
2Middle EnglishholiAlternative form of holy
3Old Englishhāliġholy
4Proto-West Germanichailagholy, sacred
5Proto-Germanichailagazholy, sacred
6Proto-Germanichailazwhole, unbroken, intact; entire, complete; hale,...
7Proto-Indo-European*kéh₂iloshealthy

via English holey

StepLanguageWordMeaning
1Englishholeyhaving, or being full of, holes
2Middle EnglishholliAlternative form of holy
Every word from Proto-Indo-European *kéh₂ilosEvery word from Proto-Germanic hailazEvery word from Proto-Germanic hailagaz