jian3
cocoon; callus

strokes 18
radical
strokes after radical 13
蚕茧 蠶繭 can2 jian3
silkworm cocoon

蚕茧纸 蠶繭紙 can2 jian3 zhi3
paper made from silkworm cocoons

抽丝剥茧 抽絲剝繭 chou1 si1 bao1 jian3
lit. to spin silk from cocoons; fig. to make a painstaking investigation (idiom)

茧子 繭子 jian3 zi5
callus (patch or hardened skin); corns (on feet); also 趼子

老茧 老繭 lao3 jian3
callus (patch or hardened skin); corns (on feet); also 老趼

造茧自缚 造繭自縛 zao4 jian3 zi4 fu4
to spin a cocoon around oneself (idiom); enmeshed in a trap of one's own devising; hoist with his own petard

作茧 作繭 zuo4 jian3
to make a cocoon

作茧自缚 作繭自縛 zuo4 jian3 zi4 fu4
to spin a cocoon around oneself (idiom); enmeshed in a trap of one's own devising; hoist by his own petard