Word origin · etymology
Chinese and Sino-Vietnamese names.
Zǐwēi Dǒushù, 紫微斗數, retains an astral name plus Dipper-number terminology; Tử Vi is the Vietnamese reading of Zǐwēi. The names have related linguistic forms.
How we know · epistemology
System-specific sources and conventions
This entry covers Zi Wei Dou Shu / Tử Vi. 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.
Iztro official quick start — Iztro maintainers ↗Zi Wei Dou Shu configuration — X-Haose implementation authors ↗
Connected concepts
Terms used in this explanation
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.