gạo

• (Hà Nội) IPA^(key): [ɣaːw˧˨ʔ]
• (Huế) IPA^(key): [ɣaːw˨˩ʔ]
• (Saigon) IPA^(key): [ɣaːw˨˩˨]
• (Quảng Nam) IPA^(key): [ɣoː˨˩ʔ]

From Proto-Vietic *r-koːʔ (“husked rice”), from Proto-Austroasiatic *rŋkoːʔ (“husked rice”). Cognate with Muong cảo, Khmer អង្ករ (ʼɑngkɑɑ, “uncooked, dehusked rice”), Khasi khaw, Chong rəkʰəw and Gata' rekoˀ ("uncooked rice"). According to Sagart (2003), Proto-Tai *C̬.qawꟲ (“rice”), whence Thai ข้าว (kâao), Lao ເຂົ້າ (khao), Lü ᦃᧁᧉ (ẋaw²), was borrowed from Austroasiatic.

• (North Central Vietnam) cấu (no lenition)
• (North Central Vietnam) gấu (with lenition)

gạo • (𥺊, 𥽌, 𬖰)

1. dehusked, uncooked rice

• cơm; lúa; nếp

From Proto-Vietic *-kaːwʔ (“cotton tree”), probably from Proto-Austroasiatic *bka(ː)ʔ (“flower”).

(classifier cây, bông, hoa) gạo • (槹, 檤, 檰)

1. kapok tree (Bombax ceiba)

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

gạo

1. engrossed in studies

   học gạo ― to study without attention to anything else

   • 1972, Từ Kế Tường, chapter 1, in Đường phượng bay, Thư Trung:

     – Tôi lười học lắm, tôi không ở nhà để gạo bài như Thục tưởng đâu.

     "I'm very lazy when it comes to studying; I'm not home to completely focus on my lessons as you believe."

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

gạo

1. (zoology) cyst (such as those in Cysticerus cellulosae or those caused by Myxosporea)