This is the 7181st most frequent Japanese word.
一新
"Complete renewal" or "overhaul."
In this sentence, "一新" is used in the sense of making a fresh start or completely changing one's life or circumstances.
彼は自分の人生を一新することを決意した。
He decided to completely renew his life.
Here, "一新" conveys the meaning of redefining or overhauling, indicating significant changes to the existing corporate strategies.
新しいリーダーが選ばれた後、会社の方針が一新された。
After a new leader was chosen, the company's policies were thoroughly revamped.
In this instance, "一新" refers to entirely refreshing or updating something, specifically focusing on the room's decor.