# ой
## Bulgarian
### Pronunciation

* IPA: [ɔj]

### Interjection

ой • (oj)
* ouch (expression of one's own physical pain)
    Synonym: ох (oh)
    Ой, много боли!Oj, mnogo boli!Ouch, it hurts a lot!
* wow (expression of amazement or wonder)
    Synonym: вау (vau)
    Ой, колко хубаво!Oj, kolko hubavo!Wow, how nice!

## Buryat
### Etymology

From Proto-Mongolic *hoï (“forest”).

### Noun

ой • (oj)
* forest, woods

## Eastern Mari
### Pronunciation

* IPA: /oj/
* Rhymes: -oj
* Hyphenation: ой

### Etymology 1

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

#### Noun

ой • (oj)
* opinion
* idea, thought, dream
* suggestion, proposition, advice, directions, instructions
* (linguistics) sentence, expression, saying
* word
* (figuratively) word, promise, agreement, decision
* speech, words
* news, rumor/rumour
* last wishes, precepts

##### Declension

This entry needs an inflection-table template.

##### Derived terms

* вияш ой (vijaš oj)
* ик ой (ik oj)
* ой чаткалык (oj čatkalyk)
* ой шырым (oj šyrym)
* ойсем (ojsem)
* ойын йӱклан йыжыҥлалтмыже (ojyn jüklan jyžyŋlaltmyže)
* ойыш лийдымаш (ojyš ĺijdymaš)
* савырыме ой (savyryme oj)

### Etymology 2

Borrowed from Russian ой (oj).

#### Interjection

ой • (oj)
* oh (expressing surprise, pleasure, etc.)
* ow, ouch! (expressing pain, shock, terror, etc.)
* oops!

### References

* J. Bradley et al. (2023) “ой”, in The Mari Web Project: Mari-English Dictionary, University of Vienna

## Erzya
### Etymology

From Proto-Mordvinic *vaj~*voj, from Proto-Finno-Ugric *waje. Cognates include Moksha вай (vaj), Finnish voi, Western Mari ӱ (ü), Udmurt вӧй (vöj) and Hungarian vaj.

### Pronunciation

* IPA: /oj/
* Rhymes: -oj
* Hyphenation: ой

### Noun

ой • (oj)
* butter
    ваднемс кши лангс ой ― vadnems kši langs oj ― to spread butter on bread
* oil
    эвкалиптэнь ой ― evkaliptëń oj ― eucalyptus oil

#### Declension

This entry needs an inflection-table template.

### See also

* скал ой (skal oj)

### References

* B. A. Serebrennikov, R. N. Buzakova, M. V. Mosin (1993) “ой”, in Эрзянь-рузонь валкс [Erzya-Russian dictionary], Moscow: Русский язык, →ISBN
* Entry #1156 in Uralonet, online Uralic etymological database of the Hungarian Research Centre for Linguistics.
* Keresztes, László (1986) Geschichte der mordwinischen Konsonantismus II. Etymologisches Belegmaterial‎, Szeged: Studia Uralo-Altaica 26.

## Kazakh
### Etymology 1
#### Interjection

ой • (oi)
* oh!

### Etymology 2

From Proto-Turkic *ōd.

#### Noun

ой • (oi)
* thought, idea

### Etymology 3

From Proto-Turkic *ōj.

#### Noun

ой • (oi)
* lowland

##### Declension
## Komi-Permyak
### Etymology

From Proto-Permic *öj, from Proto-Uralic *üje.

### Pronunciation

* IPA: /ˈoj/, [ˈo̞j]
* Hyphenation: ой

### Noun

о́й • (ój)
* night
* north

#### Declension

Possessive declension of ой :

#### See also

compass points:
| | ой (oj) ойвыв (ojvyv) | |
| рыт (ryt) рытвыв (rytvyv) | | асыв (asyv) асыввыв (asyvvyv) |
| | лун (lun) лунвыв (lunvyv) | |

### References

* R. M. Batalova, A. S. Krivoshchekova-Gantman (1985) Коми-пермяцко-русский словарь [Komi-Permyak-Russian dictionary]‎, Moscow: Русский язык

## Kyrgyz
### Etymology 1

From Proto-Turkic *ōδ.

#### Noun

ой • (oy) (Arabic spelling وي)
* thought, idea

##### Derived terms

* ойлоо (oyloo)

### Etymology 2

From Proto-Turkic *ōj.

#### Noun

ой • (oy) (Arabic spelling وي)
* lowland

## Mongolian
### Etymology 1

| Mongolian | Cyrillic |
| ᠣᠢ (oi) | ой (oj) |
Inherited from Classical Mongolian ᠣᠢ (oi), from Middle Mongol ᠣᠢ (ʾwy /⁠hoi̯⁠/), from Proto-Mongolic *hoï (“forest”)

#### Pronunciation

* IPA: /ɔ͜i/
* (Khalkha) IPA: [œː]
* Hyphenation: ой

#### Noun

ой • (oj) (definite plural ойнууд)
* forest, woods

##### Declension

This noun needs an inflection-table template.

##### Derived terms

* ой мод (oj mod)

##### Descendants

* → Salar: qoy (“forest”)
* → Yakut: ойуур (oyuur, “forest”)

### Etymology 2
#### Noun

ой • (oj) (Mongolian spelling ᠣᠢ (oi))
* anniversary, jubilee

### Etymology 3

From Proto-Turkic *ōd.

#### Noun

ой • (oj) (Mongolian spelling ᠣᠢ (oi))
* mind, intellect, memory

##### Derived terms

* ой тогтоолт (oj togtoolt, “memory”)

### Etymology 4
#### Noun

ой • (oj) (Mongolian spelling ᠣᠢ (oi))
* feeling of aversion, repugnance

## Oroch
### Etymology

Cognate with Udihe вайи (waji), Ulch хори (xori), Orok хори (xori), Negidal ойин (ojin), Nanai хорин (horin) and Manchu ᠣᡵᡳᠨ (orin).

### Numeral

ой (oj)
* twenty, 20

## Russian
### Etymology

Onomatopoeic. Compare Polish oj and Yiddish אוי (oy).

### Pronunciation

* IPA: [oj]
* Audio:(file)

### Interjection

ой • (oj)
* oh! (surprise tinged with fright)
* oops!
* ouch!

#### Descendants

* → Eastern Mari: ой (oj)
* → Lithuanian: oi

## Southern Altai
### Etymology 1

From Proto-Turkic *ōδ.

#### Noun

ой • (oy)
* mind, idea, thought

### Etymology 2

From Proto-Turkic *ōj.

#### Noun

ой • (oy)
* lowland

### References

N. A. Baskakov, Toščakova N.A, editor (1947), “ой”, in Ojrotsko-Russkij Slovarʹ [Oyrot-Russian Dictionary], Moscow: M.: OGIZ, →ISBN

## Yakut
### Etymology

From Proto-Turkic *oy- (“to play, jump”). Also cognate with оонньуу (oonnyuu, “game”)

### Verb

ой • (oy)
* (intransitive) to jump
    Synonyms: ыстан (ıstan), эккирээ (ekkiree)
    Antonym: умус (umus, “to dive”)
* (astronomy) to rise
    See synonyms at таҕыс (tağıs).
    Antonym: түс (tüs)

#### Derived terms

* ойуу (oyuu, “jump”)