noun
Refers to the southeast direction in the traditional Chinese zodiac-based compass system, where 辰 (dragon) and 巳 (snake) correspond to southeast. Used in classical contexts, place names, and traditional orientation.
江戸の辰巳の方角には深川がある。
Fukagawa lies in the southeast direction of Edo.
Standard modern word for southeast; 辰巳 is a traditional zodiac-based term used mainly in historical or cultural contexts.
From the combination of the zodiac signs 辰 (dragon, east-southeast) and 巳 (snake, south-southeast), together indicating the southeast direction in the traditional Chinese compass system.