# 水底
## Chinese
### Pronunciation

* Mandarin
    (Pinyin): shuǐdǐ
    (Zhuyin): ㄕㄨㄟˇ ㄉㄧˇ
* Cantonese
    (Guangzhou–Hong Kong, Jyutping): seoi$^2$ dai$^2$
    (Taishan, Wiktionary): sui$^2$ ai$^2$
* Hakka (Sixian, PFS): súi-tái
* Southern Min (Teochew, Peng'im): zui$^2$ doi$^2$
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: shuǐdǐ [Phonetic: shuídǐ]
*** Zhuyin: ㄕㄨㄟˇ ㄉㄧˇ
*** Tongyong Pinyin: shuěidǐ
*** Wade–Giles: shui$^3$-ti$^3$
*** Yale: shwěi-dǐ
*** Gwoyeu Romatzyh: shoeidii
*** Palladius: шуйди (šujdi)
*** Sinological IPA : /ʂu̯eɪ̯²¹⁴⁻³⁵ ti²¹⁴⁻²¹⁽⁴⁾/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: seoi$^2$ dai$^2$
*** Yale: séui dái
*** Cantonese Pinyin: soey$^2$ dai$^2$
*** Guangdong Romanization: sêu$^2$ dei$^2$
*** Sinological IPA : /sɵy̯³⁵ tɐi̯³⁵/
** (Taishanese, Taicheng)
*** Wiktionary: sui$^2$ ai$^2$
*** Sinological IPA : /sui⁵⁵ ai⁵⁵/
* Hakka
** (Sixian, incl. Miaoli and Neipu)
*** Pha̍k-fa-sṳ: súi-tái
*** Hakka Romanization System: sui$^ˋ$ dai$^ˋ$
*** Hagfa Pinyim: sui$^3$ dai$^3$
*** Sinological IPA: /su̯i³¹ tai̯³¹/
* Southern Min
** (Teochew)
*** Peng'im: zui$^2$ doi$^2$
*** Pe̍h-ōe-jī-like: tsúi tói
*** Sinological IPA : /t͡sui⁵²⁻³⁵ toi⁵²⁻²¹/

### Noun

水底
* bottom or bed of a body of water

#### Derived terms

* 水底摸月
* 水底撈月／水底捞月
* 水底撈針／水底捞针 (shuǐdǐlāozhēn)
* 水底納瓜／水底纳瓜

## Japanese
### Etymology 1

Kanji in this term :
| 水 | 底 |
| みず Grade: 1 | そこ Grade: 4 |
| kun'yomi ||
Compound of Old Japanese elements 水 (mizu, “water”) +‎ 底 (soko, “bottom”).

#### Pronunciation

* (Tokyo) みずそこ [mìzúsókó] (Heiban – [0])
* IPA: [mʲizɨso̞ko̞]

#### Noun

水(みず)底(そこ) • (mizusoko)
* the bottom or bed of a body of water

### Etymology 2

Kanji in this term :
| 水 | 底 |
| み Grade: 1 | そこ > ぞこ Grade: 4 |
| kun'yomi ||
Kanji in this term :
| 水 | 底 |
| み Grade: 1 | そこ Grade: 4 |
| kun'yomi ||
Compound of Old Japanese elements 水 (mi, “water”) +‎ な (na, Old Japanese possessive particle) +‎ 底 (soko, “bottom”).
Sometimes also read as minazoko. The soko changes to zoko as an instance of rendaku (連濁).

#### Pronunciation

* (Tokyo) みなそこ [mìnásókó] (Heiban – [0])
* (Tokyo) みなぞこ [mìnázókó] (Heiban – [0])
* IPA: [mʲina̠so̞ko̞]
* IPA: [mʲina̠zo̞ko̞]

#### Noun

水底(みなそこ) • (minasoko) (alternative reading hiragana みなぞこ, rōmaji minazoko)
* the bottom or bed of a body of water

### Etymology 3

Kanji in this term :
| 水 | 底 |
| すい Grade: 1 | てい Grade: 4 |
| on'yomi ||
From Middle Chinese compound 水底 (sywijX *děi, literally “water bottom”). Compare modern Mandarin 水底 (shuǐdǐ).

#### Pronunciation

* (Tokyo) すいてー [sùítéé] (Heiban – [0])
* IPA: [sɨite̞ː]

#### Noun

水(すい)底(てい) • (suitei)
* the bottom or bed of a body of water

##### Derived terms

* 水底(すいてい)線(せん) (suiteisen): an underwater cable, such as on the seabed or a riverbed
* 水底(すいてい)植物(しょくぶつ) (suitei shokubutsu): a benthophyte: a plant that grows on the bed of a body of water

### References

* 1 2 3 Shōgaku Tosho (1988) 国語大辞典（新装版） [Unabridged Dictionary of Japanese (Revised Edition)] (in Japanese), Tōkyō: Shogakukan, →ISBN
* 1 2 3 4 5 6 Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
* 1 2 3 NHK Broadcasting Culture Research Institute, editor (1998), NHK日本語発音アクセント辞典 [NHK Japanese Pronunciation Accent Dictionary] (in Japanese), Tokyo: NHK Publishing, Inc., →ISBN