座りな

sit down

→ 座る
座り sit, sit down + な Imperative or prohibitive marker
verb · informal Rare #40,490
sit down A casual, familiar command; it can sound bossy and is often used toward someone younger or close to the speaker.
JA: ここに座りな。
EN: Sit here.
Conjugation of 座る

座りなよ。

Have a seat.

トム、座りなよ。

Tom, have a seat.

座りな

Sit down.

— マルコムX (1992)

座りなよ

Have a seat.

— Hoje Eu Quero Voltar Sozinho (2014)