下しも無むMeanings1noun5th note of the ancient chromatic scale (approx. F♯)Technical term from traditional Japanese music theory (gagaku). Part of the 十二律 (jūniritsu) system; corresponds to 姑洗 (kosen).See also: 姑洗 · 十二律雅が楽がくでは、下しも無むは十じゅう二に律りつの第だい五ご音おんにあたる。In gagaku, shimomu is the fifth note of the twelve-tone scale.