# 隧道
## Chinese

* 隧道 (Written Standard Chinese)
* 隧道 (Cantonese)
* 隧道 (Wu)

### Pronunciation

* Mandarin
    (Pinyin): suìdào
    (Zhuyin): ㄙㄨㄟˋ ㄉㄠˋ
* Cantonese (Jyutping): seoi$^6$ dou$^6$
* Hakka (Sixian, PFS): sui-tho
* Southern Min
    (Hokkien, POJ): sūi-tō
    (Teochew, Peng'im): sui$^7$ dao$^6$
* Wu (Shanghai, Wugniu): $^6$zoe-dau
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: suìdào
*** Zhuyin: ㄙㄨㄟˋ ㄉㄠˋ
*** Tongyong Pinyin: suèidào
*** Wade–Giles: sui$^4$-tao$^4$
*** Yale: swèi-dàu
*** Gwoyeu Romatzyh: sueydaw
*** Palladius: суйдао (sujdao)
*** Sinological IPA : /su̯eɪ̯⁵¹⁻⁵³ tɑʊ̯⁵¹/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: seoi$^6$ dou$^6$
*** Yale: seuih douh
*** Cantonese Pinyin: soey$^6$ dou$^6$
*** Guangdong Romanization: sêu$^6$ dou$^6$
*** Sinological IPA : /sɵy̯²² tou̯²²/
* Hakka
** (Sixian, incl. Miaoli and Neipu)
*** Pha̍k-fa-sṳ: sui-tho
*** Hakka Romanization System: sui to
*** Hagfa Pinyim: sui$^4$ to$^4$
*** Sinological IPA: /su̯i⁵⁵ tʰo⁵⁵/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: sūi-tō
*** Tâi-lô: suī-tō
*** Phofsit Daibuun: suixdoi
*** IPA (Xiamen): /sui²²⁻²¹ to²²/
*** IPA (Quanzhou): /sui⁴¹⁻²² to⁴¹/
*** IPA (Zhangzhou): /sui²²⁻²¹ to²²/
*** IPA (Taipei): /sui³³⁻¹¹ to³³/
*** IPA (Kaohsiung): /sui³³⁻²¹ tɤ³³/
** (Teochew)
*** Peng'im: sui$^7$ dao$^6$
*** Pe̍h-ōe-jī-like: sūi tău
*** Sinological IPA : /sui¹¹ tau³⁵/
* Wu
** (Northern: Shanghai)
*** Wugniu: $^6$zoe-dau
*** MiniDict: zoe$^去$ dau
*** Wiktionary Romanisation (Shanghai): $^3$zoe-dau
*** Sinological IPA (Shanghai): /zø²² dɔ⁴⁴/

### Noun

隧道
* tunnel (underground or underwater passage)
    隧道開車燈。／隧道开车灯。 ― Suìdào kāi chēdēng. ― Turn on headlights before entering tunnel.

#### Synonyms

* 地下道 (dìxiàdào)
* 地道
* 坑道 (kēngdào) (military)
* 巷道 (hàngdào) (usually dug for transport, drainage and ventilation)
* 暗窿 (Hakka)
* 磅空 (Hokkien, Taiwanese Hakka)
* 隧洞 (suìdòng)

## Japanese
### Etymology 1

Kanji in this term :
| 隧 | 道 |
| ずい Hyōgai | どう Grade: 2 |
| on'yomi ||

#### Pronunciation

* IPA: [d͡zɨido̞ː]

#### Noun

隧(ずい)道(どう) • (zuidō)
* (dated) tunnel
    Synonym: トンネル (tonneru)

##### Usage notes

* トンネル (tonneru) has become the customary term, even for tunnels physically named 隧道 (zuidō) in inscriptions (as in the image on the right): 長尾トンネル (Nagao Tonneru), etc.

### Etymology 2

Kanji in this term :
| 隧 | 道 |
| すい Hyōgai | どう Grade: 2 |
| on'yomi ||

#### Pronunciation

* (Tokyo) すいどー [sùídóó] (Heiban – [0])
* IPA: [sɨido̞ː]

#### Noun

隧(すい)道(どう) • (suidō)
* (obsolete) Alternative form of 隧道 (zuidō, “tunnel”)

### Etymology 3

Kanji in this term :
| 隧 | 道 |
| つい Hyōgai | どう Grade: 2 |
| on'yomi ||

#### Pronunciation

* IPA: [t͡sɨido̞ː]

#### Noun

隧(つい)道(どう) • (tsuidō)
* (obsolete) Alternative form of 隧道 (zuidō, “tunnel”)

### References

* ↑ 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

## Korean

Hanja in this term :
| 隧 | 道 |

### Noun

隧道 • (sudo) (hangeul 수도)
* hanja form of 수도 (“tunnel”)

## Vietnamese

chữ Hán Nôm in this term :
| 隧 | 道 |

### Noun

隧道
* chữ Hán form of tuỵ đạo (“(obsolete) tunnel”).