glass
玻 centers on glass as a material, often appearing in compounds for glass or crystal-like substances.
玻 combines 王 (jade/stone) with 皮, which likely contributes the sound. The character was created to represent glass, a material similar to jade but with a different sound.
The left side 王 suggests a precious stone or material, and the right side 皮 (skin) hints at a smooth, skin-like surface. Together they evoke glass: a smooth, jewel-like material.
For ハ, imagine a glass laughing: 'Ha!' The sound 'ha' cues ハ, and the glass is the subject.
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quartz
fine crystal; clear glass
mirror found in hell in Enma's chamber that allows people to see their good and bad deeds
glassware
sanidine
cream rises to the top; great talent will stand out anywhere; lapis lazuli and crystals shine when lit up
cream rises to the top; great talent will stand out anywhere; you realize what things are lapis lazuli and crystal when they are lit up