Word

晦渋

かいじゅう
ambiguous; obscure; equivocal
Word

韜晦趣味

とうかいしゅみ
propensity to efface oneself; being prone to conceal one's talent
Word

三十日蕎麦

晦日蕎麦、晦日そば
みそかそば
soba eaten at the end of the month (esp. at the end of the year)
Word

晦朔

かいさく
last and first days of the month