streaks in jade, gem
玟 centers on a jade-like gemstone, especially one with visible streaks or patterns. The meaning covers both the gem itself and the characteristic markings within it.
玟 combines 王 (jade) with 文 (pattern, writing), suggesting a patterned jade or gemstone. The exact historical development is uncertain, but the component structure is consistent with a semantic compound.
The left side 王 represents jade, and the right side 文 looks like streaks or lines. Picture a polished gem with beautiful natural streaks running through it.
For ビン, imagine a gem being placed into a bin for sorting: bin -> ビン, and the gem's streaks catch the light as it drops in.
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