container for pouring water, (kokuji)
楾 centers on a container used for pouring water. As a kokuji created in Japan, its meaning is tied to this specific object.
楾 is a Japanese kokuji formed from 木 (tree/wood) and 泉 (spring/fountain), suggesting a wooden container associated with water or a spring.
A wooden (木) container shaped to hold water from a spring (泉): 楾 is a container for pouring water.
For はんぞう, imagine a craftsman named Hanzo who makes wooden water containers: Hanzo -> はんぞう, and his name is stamped on every 楾 he carves.
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