Word origin · etymology
Mixed modern compound labels and a Chinese book-title.
Numerology joins number vocabulary with -logy; tarot is a French card-name with uncertain deeper origin; I Ching is an older romanization of Yijing, Book of Changes.
Merriam-Webster: numerology ↗Merriam-Webster: tarot ↗Merriam-Webster: I Ching ↗
How we know · epistemology
System-specific sources and conventions
This entry covers Numerology / tarot-astrology / I Ching birthday overlays. Its cited texts document the methods or teachings being compared; any computed result depends on the stated inputs and rules. Historical attestation and reproducible arithmetic do not by themselves test a personal interpretation.
Tim Husband: Before Fortune-Telling, the History and Structure of Tarot Cards ↗V&A: A History of Tarot Cards ↗Chinese Philosophy of Change (Yijing) ↗Joseph A. Adler: What Is the Yijing? ↗
Connected concepts
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These links connect subjects and terminology. They do not establish a shared historical origin.
Sources & provenance
Use the citations beside each section to distinguish a calculation convention, a historical teaching and an editorial example.