Word origin · etymology
Eponym.
Named after Placidus de Titis, the seventeenth-century astrologer associated with this house method. The label is an eponym.
How we know · epistemology
Spherical division method
The method derives cusps through time-based divisions of diurnal motion. Some high-latitude configurations lack solutions; substituting another method without disclosure changes the chart’s stated construction.
Connected concepts
Mentioned in 1 other entry
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.