cờ

• (Hà Nội) IPA^(key): [kəː˨˩]
• (Huế) IPA^(key): [kəː˦˩]
• (Saigon) IPA^(key): [kəː˨˩]

From Old Chinese 旗 (OC *[ɡ](r)ə) (B-S) (SV: kì).

(classifier lá, ngọn) cờ • (旂, 旗)

1. flag; banner; standard; vexillum; streamer

   cờ tổ quốc ― the national flag, specifically referring to the flag of Vietnam

2. vexillum (upper petal of a papilionaceous flower)

• (flag): quốc kì (“national flag”)

• → Tai Dam: ꪹꪁꪷ
• → Khmer: កើ (kaə)

Non-Sino-Vietnamese reading of Chinese 棋 (“chess”, SV: kì).

cờ • (碁, 棊, 棋, 𬄯)

1. a board game in which there are pieces, such as chess, go, shogi, xiangqi, etc., or tokens such as bootleg Monopoly, Ludo, etc.

• kỳ thủ, kì thủ
• kiện tướng, đại kiện tướng

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

cờ

1. The name of the Latin-script letter C/c.