• 大(adult; large (pictographic))
• 一(one; top)

The sky is the vast, boundless expanse that lies above human beings.

• 母(mother; origin)
• 龶(toxic grass; harmful plant)

A toxic plant grows from the earth like a mother nurturing life, but carries deadly poison.

• 糸(silk thread; filament)
• 龶(coarse undyed thread bundle; top part of thread)

Raw silk that hasn't been dyed suggests the meaning of pure, simple, and basic.

• 大(adult; large (pictographic))
• 一(one; top)

The sky is the vast, boundless expanse that lies above human beings.

• 母(mother; origin)
• 龶(toxic grass; harmful plant)

A toxic plant grows from the earth like a mother nurturing life, but carries deadly poison.

• 糸(silk thread; filament)
• 龶(coarse undyed thread bundle; top part of thread)

Raw silk that hasn't been dyed suggests the meaning of pure, simple, and basic.