Names across languages
納甲
Najia
納甲
납갑
Alternate names: 纳甲; nàjiǎ; stem-branch assignment to trigrams
Reviewed definition
Najia (納甲) is a technical term within feng shui and Yijing-related knowledge systems. Specifically, A family of correspondences assigning Heavenly Stems, Earthly Branches or related data to trigrams and lines. Jing Fang Yijing, six-line divination and some luopan traditions use distinct tables that should not be conflated. This library explains it within the schools and methods domain and distinguishes historical description, lineage rules, observable spatial data and later symbolic interpretation.
Historical context
The modern meaning of this term accumulated through classical texts, commentaries, regional practice and later systematization. Review used “Book of Changes: Shuo Gua” for historical, textual or material context; that source does not establish that every later lineage uses the term identically.
Modern-use note
Today, Najia may be used in terminology teaching, source indexing, case annotation, compass or landform documentation and comparison of lineage rules. Professional records should state edition, directional reference, scale, date, observations and uncertainty so another reader can trace the reasoning.
現代では、用語教育、文献索引、事例注記、地形・方位資料の説明に利用できる。版、流派、尺度、測定基準、日付と不確実性を明示し、結論だけでなく根拠を追跡できる形で記録する。
현대에는 용어 교육, 문헌 색인, 사례 주석, 지형·방위 자료 설명에 활용할 수 있다. 판본, 유파, 척도, 측정 기준, 날짜와 불확실성을 밝혀 결론뿐 아니라 근거를 추적할 수 있게 기록한다.
Limitations and cross-cultural caution
This term records a cultural, historical or lineage-specific interpretive framework. It must not be presented as established scientific causation or a guarantee of health, wealth, relationships, examinations or investment outcomes. Building, structural, fire, environmental, medical, legal and financial matters require applicable rules, measurements and qualified advice.
Cross-cultural writing should retain 納甲 with a transliteration or conventional translation. Japanese “納甲”, Korean “납갑” and English “Najia” may have different local ranges; similar labels do not make methods, historical authority or practical conclusions identical.
Reviewed sources
Citations show what the review relied on. Contextual coverage supports description or tradition, not scientific causation.
Bilingual primary-text repository used for trigram, line, directional and Three-Powers terminology.