noun
tsumugi silk yarn; spun silk noil yarn
Refers to yarn made from tsumugi silk, typically hand-spun from silk noil (short fibers). Used in traditional Japanese weaving.
See also: 紬
紬糸で織られた着物は素朴な風合いが魅力です。
Kimono woven from tsumugi silk yarn are appealing for their rustic texture.
この紬糸は手紡ぎで作ら
This tsumugi silk yarn is hand-spun.
紬 refers to the fabric itself (tsumugi pongee), while 紬糸 specifically means the yarn used to weave it.
Compound of 紬 (tsumugi, 'pongee') and 糸 (ito, 'thread'). The exact historical derivation of 紬 is uncertain, but it refers to a traditional hand-spun silk fabric.