godan verb (-u)
cooperate; share; hold in common
Archaic godan verb meaning to cooperate in an enterprise, share resources, or hold something in common. Not used in modern Japanese; replaced by words like 協力する or 共有する.
昔の村では、田植えを催合って行った。
In old villages, they cooperated in rice planting.
古文書に「費用を催合う」と記されている。
In old documents, it is written 'to share expenses'.