teh-chóa硩紙

to place a kind of round or rectangular scrap

to place a kind of round or rectangular scrap of paper on the grave when paying respects to a dead person (as a folk tradition); to pay respects to a dead person at their grave

by extension

English Wiktionary, “硩紙” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%A1%A9%E7%B4%99 · confidence: Medium (Wiktionary)