Where does “Holycaust” come from?

Holycaust (English) comes from English Holocaust, from French holocauste, from Middle French holocauste, from Old French olocauste, from Latin holocaustum, from Ancient Greek ὁλόκαυστος, from Ancient Greek ὅλος, from Proto-Indo-European solh₂wós — mercy, comfort; comfort, mercy.

Holycaust (English): The Holocaust, regarded as an event worthy of worship or veneration

Definitions

  1. The Holocaust, regarded as an event worthy of worship or veneration

Ancestry of “Holycaust”, step by step

Holycaust traces back through two separate lines of ancestry.

via English Holocaust

StepLanguageWordMeaning
1EnglishHolocaustAlternative letter-case form of holocaust
2Frenchholocausteholocaust
3Middle Frenchholocauste
4Old Frencholocauste
5Latinholocaustuma burnt offering wholly consumed by fire;...
6Ancient Greekὁλόκαυστοςwholly burnt
7Ancient Greekὅλοςwhole, entire, perfect, complete; absolute,...
8Proto-Indo-Europeansolh₂wós
9Proto-Indo-Europeansōlh₂-mercy, comfort; comfort, mercy

via English Holy

StepLanguageWordMeaning
1EnglishHolyAlternative letter-case form of holy "used when...
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
Every word from Proto-Indo-European sōlh₂-