also: なあ
particle
you know; I tell you
Sentence-final particle used when seeking confirmation, adding emphasis, or sharing a thought. Often has a masculine, informal tone.
今日は暑いな。
It's hot today, isn't it?
あの店、美味しいんだよな。
That restaurant is really good, you know.
Lengthened variant with small ぁ, used in casual or emotive writing.
Lengthened variant, often used for emphasis or emotional expression.
Lengthened variant with long-vowel mark, common in casual writing.
The prohibitive な is a native Japanese particle. The imperative な is a contraction of なさい. The interjection and sentence-final particles are native developments with uncertain precise origins.