粽子 糉子 粽 糉 ちまき
粽子 / 糉子 (zongzi) or 粽 / 糉 (zong)
Chinese bamboo leaf-wrapped dumplings made of glutinous rice.
It has regional various names and recipes. Its Japanese version is called ちまき (chimaki) and eaten on Japan's Kodomo no Hi on May 5th.