添そい星ぼし

noun

Chinese "Room" constellation (28 mansions)

Archaic astronomical term for the 房宿, the 4th of the 28 Chinese lunar mansions. Used in classical Japanese astronomy and astrology.

See also: 二十八宿 · 房 (ぼう)

• 添そい星ぼしは二に十じゅう八はっ宿しゅくの一ひとつで、房ぼう宿しゅくにあたる。

  Soiboshi is one of the 28 mansions, corresponding to the Room mansion.

noun

natural satellite; moon

Only when written 添い星 / 添星

Archaic term for a natural satellite or moon, restricted to the kanji forms 添い星 and 添星. Replaced by 衛星 in modern Japanese.

See also: 衛星

• 昔むかしは月つきのことを添そい星ぼしと呼よぶことがあった。

  In the past, the moon was sometimes called soiboshi.