The kanji 孔 primarily signifies "hole," "opening," or "aperture." It refers to a space that penetrates something or leads somewhere. It can also figuratively represent emptiness or a void.

・On-yomi (音読み): コウ (kō) ・Kun-yomi (訓読み): None, or rarely used in isolation as a Kun-yomi.

⚫︎ 孔子 Translation: Confucius (a famous Chinese philosopher) ⚫︎ 针孔 (shinkō) Translation: Pin hole ⚫︎ 毛孔 (mōkō) Translation: Pore

The kanji 孔 is a pictograph. It depicts a hole or opening. The shape is derived from a drawing of an opening, often representing an orifice or an aperture. Over time, the form simplified into the current character. It’s a straightforward representation of its core meaning, a visual depiction of an opening.