早老素

• 日(sun)RADICAL
• 十(ten; stick)ASSOCIATIVE

The sun just rising above a tree branch is when early dawn breaks.

• 耂(old person; elderly (pictographic variant))RADICAL
• 匕(spoon; curved)ASSOCIATIVE

An old person with a hunched back curved like a spoon is the image of this character.

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

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