steep in

US /stiːp ɪn/
UK /stiːp ɪn/
"steep in" picture
1.

深く浸る, 染み込んでいる

to immerse or saturate someone or something in a particular quality, idea, or atmosphere

:
The novel is steeped in historical detail.
その小説は歴史的な詳細に深く浸っている
He was steeped in the traditions of his culture.
彼は自分の文化の伝統に深く浸っていた