siu-nōa收瀾

a folk custom activity

a folk custom activity. An activity is held when a baby is four months old so that the baby will not drool so much in the future.

English Wiktionary, “收瀾” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E6%94%B6%E7%80%BE · confidence: Medium (Wiktionary)