chò-sûn做旬

to perform Buddhist or Taoist rituals every

to perform Buddhist or Taoist rituals every seven days after a person's death, till the 49th day

English Wiktionary, “做旬” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E5%81%9A%E6%97%AC · confidence: Medium (Wiktionary)