차차 + change verb: 차차 나아지다 · 차차 알게 되다
gradually, little by little; later, in due time
Example
삼월이 되니 날씨가 차차 따뜻해지고 있어요.
Now that it's March, the weather is gradually getting warmer.
Word parts
차 next+차 next
Literally 'next and next' — step by step.
Good to know
Also means 'later': 그 얘기는 차차 하자 'Let's talk about that later.'
Related words