# 고

| 고 | U+ACE0, &#44256; HANGUL SYLLABLE GO |
| Composition: | ㄱ + ㅗ |
| ← 곟 [U+ACDF] | Hangul Syllables | 곡 → [U+ACE1] |
고곡곢곣곤곥곦 곧골곩곪곫곬곭 곮곯곰곱곲곳곴 공곶곷곸곹곺곻 :
| 계 ← | → 과 |
(see above for suffixes and particles)

## Korean
### Etymology 1

Yang-vowel form of 그 (geu). Compare 요 (yo), 조 (jo).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞]
* Phonetic hangul: [고]

#### Determiner

Ablaut/harmonic pair :
| Yin-form | 그 (geu) |
| Yang-form | 고 (go) |
고 • (go)
* (colloquial) diminutive of 그 (geu, “that”): that little
    고거 너무 귀엽다! ― gogeo neomu gwiyeopda! ― That's so cute!

##### Derived terms

* 고것 (gogeot)
* 고러하다 (goreohada)
* 고리 (gori)
* 고만 (goman)
* 고만큼 (gomankeum)
* 고쪽 (gojjok)

### Etymology 2

Sino-Korean word from 故 (“old, previous, former”).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞(ː)]
* Phonetic hangul: [고(ː)]
** Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

#### Determiner

고 • (go) (hanja 故)
* the late, deceased (before personal names)

##### Derived terms

* See the hanja entry at 故 for Sino-Korean compounds of 고 (故, go).

### Etymology 3

Sino-Korean word from 高 (“high”).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞]
* Phonetic hangul: [고]

#### Noun

고 • (go) (hanja 高)
* (formal, uncommon) height
    Synonym: (more common) 높이 (nopi)
* (only in school names) Short for 고등학교(高等學校) (godeunghakgyo, “high school”).
    서울고 ― Seoul-go ― Seoul High School

#### Prefix

고— • (go-) (hanja 高)
* elevated, high
    Antonym: 저(低) (jeo)
    ‎고(高) (go) + ‎퀄 (kwol, from English quality) → ‎고퀄 (gokwol, “high-quality”)
    ‎고(高) (go) + ‎혈압(血壓) (hyeorap, “blood pressure”) → ‎고혈압(高血壓) (gohyeorap, “elevated blood pressure”)

#### Suffix

—고 • (-go) (hanja 高)
* quantity, amount

#### Derived terms

* See the hanja entry at 高 for Sino-Korean compounds of 고 (高, go).

### Etymology 4

Sino-Korean word from 苦 (“suffering”).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞]
* Phonetic hangul: [고]

#### Noun

고 • (go) (hanja 苦)
* (literary or Buddhism) suffering
    Synonym: 괴로움 (goeroum)

##### Derived terms

* See the hanja entry at 苦 for Sino-Korean compounds of 고 (苦, go).

### Etymology 5

Sino-Korean word from 古 (“old, ancient”).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞(ː)]
* Phonetic hangul: [고(ː)]
** Though still prescribed in Standard Korean, most speakers in both Koreas no longer distinguish vowel length.

#### Prefix

고— • (go-) (hanja 古)
* old, ancient
    ‎고(古) (go) + ‎서적(書籍) (seojeok, “books and documents”) → ‎고서적(古書籍) (goseojeok, “premodern books and documents”)

##### Derived terms

* See the hanja entry at 故 for Sino-Korean compounds of 고 (故, go).

### Etymology 6

Sino-Korean word from 告 (“to report; to inform”).

#### Pronunciation

* (SK Standard/Seoul) IPA: [ko̞]
* Phonetic hangul: [고]

#### Root

고 • (go) (hanja 告)
* Root of 고하다 (gohada, “to report”). Rarely used alone.

### Etymology 7

Modern Korean reading of various Chinese characters.

#### Syllable

고 • (go)
* 高: high
    (eumhun reading: 높을 고 (nopeul go)) (MC reading: 高 (MC kaw))
* 考: examine
    (eumhun reading: 상고할 고 (sanggohal go)) (MC reading: 考 (MC khawX))
* 告: report
    (eumhun reading: 고할 고 (gohal go)) (MC reading: 告 (MC kawH|kowk))
* 古: old
    (eumhun reading: 옛 고 (yet go)) (MC reading: 古 (MC kuX))
* 固: firm
    (eumhun reading: 굳을 고 (gudeul go)) (MC reading: 固 (MC kuH))
* 故: old, previous
    (eumhun reading: 예 고 (ye go)) (MC reading: 故 (MC kuH))
* 苦: suffer
    (eumhun reading: 괴로울 고 (goeroul go)) (MC reading: 苦 (MC khuX|khuH))
* 庫: store
    (eumhun reading: 창고 고 (changgo go)) (MC reading: 庫 (MC khuH))
* 顧: look back
    (eumhun reading: 돌아볼 고 (dorabol go)) (MC reading: 顧 (MC kuH))
* 雇: employ
    (eumhun reading: 품 팔 고 (pum pal go)) (MC reading: 雇 (MC huX|kuH))
* 孤: lonely
    (eumhun reading: 외루울 고 (oeruul go)) (MC reading: 孤 (MC ku))
* 稿: straw
    (eumhun reading: 볏짚 고 (byeotjip go)) (MC reading: 稿)
* 鼓: drum
    (eumhun reading: 북 고 (buk go)) (MC reading: 鼓 (MC kuX))
* 枯: withered
    (eumhun reading: 마를 고 (mareul go)) (MC reading: 枯 (MC khu))
* 膏: fat
    (eumhun reading: 기름 고 (gireum go)) (MC reading: 膏 (MC kaw|kawH))
* 姑: mother-in-law
    (eumhun reading: 시어미 고 (sieomi go)) (MC reading: 姑 (MC ku))
* 皐: marsh
    (eumhun reading: 못 고 (mot go)) (MC reading: 皐)
* 拷: beat
    (eumhun reading: 칠 고 (chil go)) (MC reading: 拷)
* 錮: confine
    (eumhun reading: 막을 고 (mageul go)) (MC reading: 錮 (MC kuH))
* 痼: chronic illness
    (eumhun reading: 고질 고 (gojil go)) (MC reading: 痼 (MC kuH))
* 藁: hay
    (eumhun reading: 짚 고 (jip go)) (MC reading: 藁)
* 叩: knock
    (eumhun reading: 두드릴 고 (dudeuril go)) (MC reading: 叩 (MC khuwX))
* 敲: knock
    (eumhun reading: 두드릴 고 (dudeuril go)) (MC reading: 敲 (MC khaew|khaewH))
* 睾: testicle
    (eumhun reading: 불알 고 (bural go)) (MC reading: 睾)
* 股: thigh
    (eumhun reading: 넓적다리 고 (neopjeokdari go)) (MC reading: 股 (MC kuX))
* 袴: pants
    (eumhun reading: 바지 고 (baji go)) (MC reading: 袴 (MC khuH))
* 呱: cry
    (eumhun reading: 울 고 (ul go)) (MC reading: 呱 (MC ku))
* 辜: crime
    (eumhun reading: 허물 고 (heomul go)) (MC reading: 辜 (MC ku))
* 賈: trade
    (eumhun reading: 장사 고 (jangsa go)) (MC reading: 賈 (MC kuX|kaeX|kaeH))
* 誥: inform
    (eumhun reading: 고할 고 (gohal go)) (MC reading: 誥 (MC kawH))
* 蠱: parasite
    (eumhun reading: 뱃속벌레 고 (baetsokbeolle go)) (MC reading: 蠱 (MC kuX))
* 沽: sell
    (eumhun reading: 팔 고 (pal go)) (MC reading: 沽 (MC ku|kuX|kuH))
* 槁: wither
    (eumhun reading: 마를 고 (mareul go)) (MC reading: 槁 (MC khawX))
* 尻: buttocks
    (eumhun reading: 꽁무니 고 (kkongmuni go)) (MC reading: 尻 (MC khaw))
* 暠: white
    (eumhun reading: 흴 고 (huil go)) (MC reading: 暠 (MC kawX))
* 羔: lamb
    (eumhun reading: 새끼양 고 (saekkiyang go)) (MC reading: 羔 (MC kaw))
* 菰: wild rice
    (eumhun reading: 줄 고 (jul go)) (MC reading: 菰 (MC ku))
* 估: price
    (eumhun reading: 값 고 (gap go)) (MC reading: 估 (MC kuX))
* 凅: freeze
    (eumhun reading: 얼 고 (eol go)) (MC reading: 凅 (MC kuH))
* 刳: cut
    (eumhun reading: 가를 고 (gareul go)) (MC reading: 刳 (MC khu))
* 塙: stony land
    (eumhun reading: 자갈땅 고 (jagalttang go)) (MC reading: 塙 (MC khaewk))
* 杲: bright
    (eumhun reading: 밝을 고 (balgeul go)) (MC reading: 杲 (MC kawX))
* 栲: sumac
    (eumhun reading: 붉나무 고 (bungnamu go)) (MC reading: 栲 (MC khawX))
* 槹: water pulley
    (eumhun reading: 두레박 고 (durebak go)) (MC reading: 槹)
* 櫜: container for bows
    (eumhun reading: 활집 고 (hwaljip go)) (MC reading: 櫜 (MC kaw))
* 牯: cow
    (eumhun reading: 암소 고 (amso go)) (MC reading: 牯 (MC kuX))
* 盬: salt marsh
    (eumhun reading: 염지 고 (yeomji go)) (MC reading: 盬 (MC ku|kuX))
* 瞽: blind person
    (eumhun reading: 맹인 고 (maeng'in go)) (MC reading: 瞽 (MC kuX))
* 箍: ring
    (eumhun reading: 테 고 (te go)) (MC reading: 箍 (MC ku))
* 篙: punting pole
    (eumhun reading: 상앗대 고 (sang'atdae go)) (MC reading: 篙 (MC kaw))
* 糕: rice cake
    (eumhun reading: 떡 고 (tteok go)) (MC reading: 糕)
* 罟: net
    (eumhun reading: 그물 고 (geumul go)) (MC reading: 罟 (MC kuX))
* 羖: black ram
    (eumhun reading: 검은 양 고 (geomeun yang go)) (MC reading: 羖 (MC kuX))
* 翺: fly
    (eumhun reading: 날 고 (nal go)) (MC reading: 翺)
* 胯: crotch
    (eumhun reading: 사타구니 고 (sataguni go)) (MC reading: 胯 (MC khwae|khuH|khwaeH))
* 觚: wine cup
    (eumhun reading: 술잔 고 (suljan go)) (MC reading: 觚 (MC ku))
* 詁: exegesis
    (eumhun reading: 주낼 고 (junael go)) (MC reading: 詁 (MC kuX))
* 郜: name of an ancient kingdom
    (eumhun reading: 나라 이름 고 (nara ireum go)) (MC reading: 郜 (MC kawH|kowk))
* 酤: alcohol fermented for one night
    (eumhun reading: 계명주 고 (gyemyeongju go)) (MC reading: 酤 (MC ku|huX|kuH))
* 鈷: clothing iron
    (eumhun reading: 다리미 고 (darimi go)) (MC reading: 鈷 (MC kuX))
* 靠: lean
    (eumhun reading: 기댈 고 (gidael go)) (MC reading: 靠 (MC khawH))
* 鴣: partridge
    (eumhun reading: 자고 고 (jago go)) (MC reading: 鴣 (MC ku))