Word origin · etymology
Mixed historical timing terminology.
Profection means advancement and releasing is an English technique-name. Firdaria is a medieval period-system name; its deeper linguistic transmission is not settled here.
Merriam-Webster: profection ↗Chris Brennan, Annual Profections, Lots, and Zodiacal Releasing ↗
How we know · epistemology
System-specific sources and conventions
This entry covers Annual profections / zodiacal releasing / firdaria. 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.
Chris Brennan, Annual Profections, Lots, and Zodiacal Releasing ↗Astrology and Astronomy in Iran ↗
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.