んだ

Meanings

1

that's right; yes; uh-huh

Dialectal interjection (Tōhoku-ben) used for agreement or acknowledgment, similar to standard そうだ or うん.

「明日あしたは休やすみだっけ？」「んだ。」
"Tomorrow's a day off, right?" "That's right."
「手伝てつだってくれる？」「んだ、いいよ。」
"Can you help me?" "Yeah, sure."