kōshin-machi association
Historical term for a group that gathered for the kōshin-machi vigil, a folk practice based on Daoist beliefs about the three worms (sanshi) reporting one's misdeeds.
See also: 庚申待
In the Edo period, kōshin-machi associations were organized in each village.
Compound of 庚申 (kōshin, the 57th sexagenary combination, associated with the Daoist three-worm belief) and 講 (kō, association or gathering).