noun
month and ten days; ten months; short time
Classical Chinese-derived expression. Can mean either a period of one month and ten days, ten months, or a relatively short span of time, depending on context. In modern Japanese, it is mostly encountered in historical or literary texts.
古典では「旬月」を一か月と十日、または十か月の意で用いることがある。
In classical texts, 旬月 is sometimes used to mean one month and ten days, or ten months.
「旬月の間」という表現は、比較的短い期
The expression 旬月の間 can also refer to a relatively short period of time.