Proto-Japanese: *súmp-
Meaning: to get narrow, contract
Russian meaning: сужаться, сокращаться
Middle Japanese: subom-, subor-, subar-, subomar-
Tokyo: sùbomar- (itr.), sùbome- (tr.)
Kyoto: súbómár- (itr.), súbómé- (tr.)
Kagoshima: subomár- (itr.), subomé- (tr.)
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