こそ

particleこそ · koso

1. Englishit is ... that ...; precisely; in particular; definitely

   • 辛抱こそ大事なんだ。It's patience that counts.

2. Englishalthough; while; it is the case that ... but

   • 彼は年こそ若いが十分その仕事をやっていける。Young as he is, he is equal to the task.

3. Englishit is precisely because ... that ...; only because ...

   • 君のためを思えばこそこう言ってるんだ。It is precisely because I have your best interests at heart that I am saying this.

4. Englishnot at all; not in the slightest; absolutely not; never

Source: JMdict (EDRDG) · CC BY-SA 4.0 (EDRDG)