This is the 1719th most frequent Japanese word.
まろやか
Smooth; mild; mellow.
Here, "まろやか" is used to describe the smooth and soft characteristics of the wine's taste.
このワインはまろやかな風味があります。
This wine has a mellow flavor.
In this sentence, "まろやか" is used to describe the gentle and soothing quality of the individual's voice.
彼の声はとてもまろやかで心地いい。
His voice is so mellow and pleasant.
"まろやか" is utilized here to characterize the soft and diffuse quality of the light in the room.