Where does “holy mother of based” come from?

holy mother of based (English) comes from English based, from English Base, from Middle English base, from Old French base, from Latin basis, from Ancient Greek βάσις, from Proto-Hellenic gʷə́tis, from Proto-Indo-European gʷémtis — to step.

holy mother of based (English): Expressing enthusiastic [[approval#Noun

Definitions

  1. Expressing enthusiastic [[approval#Noun

Ancestry of “holy mother of based”, step by step

holy mother of based traces back through two separate lines of ancestry.

via English based

StepLanguageWordMeaning
1EnglishbasedFounded on; having a basis; often used in...
2EnglishBaseSomething from which other things extend; a foundation
3Middle EnglishbaseA foundation or base; the bottom of a building;...
4Old Frenchbasebase bottom part; supporting part
5LatinbasisA pedestal, foot, base; basis, foundation; The...
6Ancient Greekβάσιςstep; rhythm; foot
7Proto-Hellenicgʷə́tisstep
8Proto-Indo-Europeangʷémtisstep, act of walking
9Proto-Indo-Europeangʷem-to step

via English Holy Mother of God

StepLanguageWordMeaning
1EnglishHoly Mother of GodMary in her role as mother of God (God the Son)
Every word from Proto-Indo-European gʷem-