expression, godan verb (-su)
Idiomatic expression referring to a girl reaching adulthood, originally from the custom of letting down the shoulder tucks (肩揚げ) of a kimono. Rare and somewhat dated; modern usage is limited to traditional or literary contexts.
See also: 肩揚げ
彼女は肩揚げを下ろす年頃になった。
She has reached the age to come of age (literally, to let down the shoulder tucks).
expression, godan verb (-su)
lengthen the sleeves of a kimono
Literal meaning: to remove the shoulder tucks (肩揚げ) sewn into a child's kimono, thereby lengthening the sleeves as the child grows. Rare, mostly encountered in explanations of traditional clothing.
子供の着物は、成長に合わせて肩揚げを下ろすことがある。
For children's kimono, the shoulder tucks are sometimes let down as they grow.