蚕
サン, テン, かいこ, こ
silkworm
JLPT1 G6 S10 F2272
Abbreviated form# of 忝 attach + 虫 insect/creature → earthworm(s) attached to the ground by setae (bristles). However, 蚕 has been used as an abbreviated form of 蠶 since the Tang Dynasty. 蠶 is as per 朁 as described in 潛 (deep penetration) + 虫 insect/creature (doubled) → *silkworm* (deeply ensconced in a cocoon).
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