óaⁿ-kim-ko͘-chui碗金觚錐

ringlike portion of the bottom of a bowl

ringlike portion of the bottom of a bowl (which is hardest to break)

English Wiktionary, “碗金觚錐” (CC BY-SA 4.0) — https://en.wiktionary.org/wiki/%E7%A2%97%E9%87%91%E8%A7%9A%E9%8C%90 · confidence: Medium (Wiktionary)