Word origin · etymology
Sanskrit compound label.
Navāṃśa means ninth division and lagna names the ascendant. Together they identify the ascendant's placement in the D9 convention.
Monier-Williams Sanskrit-English Dictionary: navāṃśa (University of Hyderabad) ↗Monier-Williams Sanskrit-English Dictionary: lagna (University of Hyderabad) ↗
How we know · epistemology
Derived-chart convention within Jyotish
These houses express relationships within a divisional chart, rather than a second physical horizon. House-based judgement is lineage-specific. Birth-time uncertainty can change the derived Lagna and therefore every house assignment.
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.