三さん隣りん亡ぼう

noun

unlucky day for starting house construction

Traditional belief that starting to build a house on this day will lead to a fire that spreads to three neighboring houses. Used in old almanacs and folk customs.

• 三さん隣りん亡ぼうの日ひには家いえを建たて始はじめてはいけないと言いわれている。

  It is said that you must not start building a house on a day of sanrinbō.