This is the 8918th most frequent Japanese word.
段々
"Gradually" or "step by step."
In this sentence, '段々' is used to describe a gradual change or progression over time, indicating that the coldness increased step by step.
寒さが段々厳しくなってきました。
The cold has gradually become harsher.
Here, '段々' expresses the slow and gradual process of change in the color of the ocean, emphasizing the ongoing transformation.
段々と海の色が変わっていますね。
The color of the ocean is gradually changing, isn't it?
In this example, '段々' emphasizes the incremental improvement observed in the person’s Japanese skills over time.