đáy

Non-Sino-Vietnamese reading of Chinese 底 (“bottom”, SV: để).

• (Hà Nội) IPA^(key): [ʔɗaj˧˦]
• (Huế) IPA^(key): [ʔɗaj˨˩˦]
• (Hồ Chí Minh City) IPA^(key): [ʔɗa(ː)j˦˥]

đáy • (𡌠, 𢋠, 𣷳, 𤀐)

1. the inside bottom of a container, as opposed to a đế which is the outside bottom

   (figurative) đáy lòng

   the bottom of the heart

2. the bottom of a well or a natural body of water such as a lake, river, sea, etc.

   ếch ngồi đáy giếng

   one that's intellectually confined by their limited surroundings

   (literally, “a frog at the bottom of a well”)

3. (geometry, of a solid) a base
4. (geometry, informal, of a triangle or trapezoid) Short for cạnh đáy (“base”).

• đàn đáy