The kanji 透 透 primarily conveys the idea of transparency, penetration, or passing through. It implies something that allows light, sight, or information to go through, revealing what is on the other side. It can also suggest the idea of being clear, or of something being seen or understood easily. The core concept is related to the idea of seeing or perceiving something through an obscuring element.

・On-yomi (音読み): トウ (tō) ・Kun-yomi (訓読み): す（く） (su(ku))

⚫︎ 透明（とうめい） Translation: Transparency; Clear; Transparent ⚫︎ 透視（とうし） Translation: Clairvoyance; X-ray vision; Penetration ⚫︎ 透き通る（すきとおる） Translation: To be transparent; To be clear; To be translucent

The kanji 透 透 is a phono-semantic compound. The left side is 辶 (しんにょう - shinnyō), which is the radical meaning "walk" or "movement." The right side is 秀 (しゅう - shū), meaning "excellent" or "outstanding." The original meaning was to penetrate or pass through, the idea being that something "outstanding" or "excellent" could be seen, or passed through. This character evolved over time, taking on the broader meanings of transparency and clarity.