• 氵(water; liquid)
• 桼(lacquer resin; varnish)

Tree lacquer is a liquid resin that flows out of trees like water.

• 黑(black)
• 土(earth; material)

Ink is a black substance made from earth and used for writing.

• 黑(black; dark color (depicting a face blackened by smoke and fire))

A face covered by smoke and fire symbolizes the dark black color.

• 氵(water; liquid)
• 桼(lacquer resin; varnish)

Tree lacquer is a liquid resin that flows out of trees like water.

• 黑(black)
• 土(earth; material)

Ink is a black substance made from earth and used for writing.

• 黑(black; dark color (depicting a face blackened by smoke and fire))

A face covered by smoke and fire symbolizes the dark black color.