浸淫
jìn​yín

to permeate

浸淫 jìn​yín
to permeate
(literary) to saturate or suffuse, as a liquid or vapor does; to stain gradually
to be steeped in
(literary) to be immersed in an environment, field of study, or emotion; to be influenced or contaminated by something over a long period
to approach gradually
(literary) to gradually become close or intimate; to approach a certain state or period, such as a literary style