also: きまゆ
noun
yellow cocoon
Refers specifically to the cocoon of a silkworm that is yellow in color, often associated with certain silkworm varieties producing yellow silk.
黄繭からは黄色い生糸が取れる。
Yellow raw silk can be obtained from yellow cocoons.
繭 is the general term for any cocoon, while 黄繭 specifically denotes a yellow silkworm cocoon.
Compound of 黄 (yellow) and 繭 (cocoon). The reading こうけん uses on'yomi, while きまゆ uses kun'yomi.