てくる
(Te kuru)
Doing something and returning, or an action/state starting to change.
Connection rules
- +Verb (te-form) + くる
Examples
1.
ちょっと手紙を出してきます。

Chotto tegami wo dashi te ki masu.
I'm just going to go mail a letter.
「Leaving home briefly」
2.
最近、少しずつ寒くなってきましたね。

Saikin, sukoshi zutsu samuku na te ki mashi ta ne.
It's started to get colder lately, hasn't it?
「Talking about autumn weather」