mỏ

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

From Proto-Vietic *k-ɓɔh (“beak”), from Proto-Mon-Khmer *ɟɓuəh ~ *ɟɓuuʔ; cognate with Thavung abɔh¹, Khmer ចំពុះ (cɑmpuh), Pacoh tarbóh.

(classifier cái) mỏ • (㖼)

1. (anatomy, of a bird or a platypus) beak; bill

   thú mỏ vịt ― platypus

2. (derogatory) trap (a person's mouth)

   Câm mỏ ― Shut your trap!

Borrowed from Tai; compare Proto-Tai *ɓoːᴮ (whence Thai บ่อ (bɔ̀ɔ)).

Cognate with Muong Bi bỏ (“well”), borrowed separately from Vietnamese.

mỏ • (𡎡, 𨪀)

1. mine (place from which ore is extracted)

   thợ mỏ ― miner

• ỏm