甜蜜素

• 舌(tongue; blade)ASSOCIATIVE
• 甘(sweet; pleasant)PHONO-SEMANTIC

The sensation of sweetness is a taste that the tongue perceives from something sweet.

• 虫(insect)RADICAL
• 宓(quiet; hidden)PHONETIC

A bee insect quietly makes sweet honey.

• 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.