also: たかけしてはととなる
expression
hawks become doves; one of the 72 pentads
A classical phrase from the 72 pentads (七十二候) of the traditional Japanese calendar, marking the period from the 11th to the 15th of the second lunar month when hawks are said to transform into doves. Used in historical or poetic contexts.
See also: 七十二候
七十二候の一つに「鷹化して鳩となる」という言葉がある。
One of the 72 pentads is the phrase 'hawks become doves.'
旧暦二月のこの時期は、鷹化して鳩となると言われている。
This period in the second month of the old lunar calendar is said to be when hawks become doves.
七十二候 is the system of 72 pentads; 鷹化して鳩となる is one specific pentad name within that system.
A fixed phrase from the traditional East Asian 72 pentads (七十二候), derived from classical Chinese calendrical texts. The exact origin is ancient and the phrase is used as-is in Japanese.