熟語JLPT-N2
first 10 days of the month
初 しょ
さいしょbeginningしょきゅうelementary levelしょじゅんfirst 10 days of the monthしょはんfirst edition
旬 じゅん
じゅんmonth (last third of)じょうじゅんfirst 10 days of monthしょじゅんfirst 10 days of the monthちゅうじゅんsecond third of a month