一いち日にち増ましに

adverb

day by day; with each passing day

Describes a gradual change or increase that becomes more noticeable every day. Often used with verbs like 増す, 強まる, or 良くなる.

• 春はるが近ちかづいて、一いち日にち増ましに暖あたたかくなっている。

  As spring approaches, it's getting warmer day by day.

• 彼かれの病びょう状じょうは一いち日にち増ましに悪あっ化かしている。

  His condition is worsening with each passing day.