Обь

See also: объ and Appendix:Variations of "ob"

Mongolian

Etymology

Borrowed from Russian Обь (Obʹ).

Pronunciation

• IPA^(key): /ˈɔpʲ/
• Syllabification: Обь (1 syllable)

Proper noun

Обь • (Obʹ)

1. Ob (a major river in western Siberia, Russia)

Declension

Declension of Обь (proper о-harmonic regular borr) 

attributive	Обь Obʹ
	singular / indefinite
nominative	Обь Obʹ
genitive	Обийн Obiin
accusative	Обийг Obiig
dative-locative	Обьд Obʹd
ablative	Обиос Obios
instrumental	Обиор Obior
comitative	Обьтой Obʹtoj
privative	Обьгүй Obʹgüj
directive	Обь руу Obʹ ruu

Reflexive possessive forms 

	singular / indefinite
nominative	Обио Obio
genitive	Обийнхоо Obiinxoo
accusative	Обийгоо Obiigoo
dative-locative	Обьдоо Obʹdoo
ablative	Обиосоо Obiosoo
instrumental	Обиороо Obioroo
comitative	Обьтойгоо Obʹtojgoo
privative	Обьгүйгээ Obʹgüjgee
directive	Обь руугаа Obʹ ruugaa

independent genitive	singular / indefinite
singular possession	Обийнх Obiinx
collective possession	Обийнхон Obiinxon

Russian

Etymology

The origin is unknown.

Pronunciation

• IPA^(key): [opʲ]

• Audio:

  (file)

• Audio:

  (file)

Proper noun

Обь • (Obʹ) f inan (genitive Оби́, relational adjective о́бский)

1. Ob (a major river in western Siberia, Russia)
   • 1989, Yanka Dyagileva (lyrics and music), “Нюркина песня”:

     Кто под фо́рточкой сиди́т - отгоня́й, но́чью хо́лод разогна́лся с Оби́

     Kto pod fórtočkoj sidít - otgonjáj, nóčʹju xólod razognálsja s Obí

     You must drive away anybody who is sitting near the fortochka, (because) the cold is driving from Ob this night

2. Ob (Russian icebreaker)

Declension

Declension of Обь (inan sg-only fem-form 3rd-decl accent-fʺ) 

	singular
nominative	О́бь Óbʹ
genitive	Оби́ Obí
dative	Оби́ Obí
accusative	О́бь Óbʹ
instrumental	О́бью Óbʹju
prepositional	Оби́ Obí

Descendants

• → Armenian: Օբ (Ōb)
• → Kazakh: Обь (Ob)
• → Mongolian: Обь (Obʹ)

Further reading

• Vasmer, Max (1964–1973) “Обь”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress

Ukrainian

Pronunciation

• IPA^(key): [ɔbʲ]
• Hyphenation: Обь

Proper noun

Обь • (Obʹ) f inan (genitive О́бі, uncountable)

1. 1928–1933 spelling of Об (Ob, “Ob”), which was deprecated in the orthography reform of 1933

Declension

Declension of Обь (inan sg-only 3rd-decl fem-form accent-a)

	singular
nominative	Обь Obʹ
genitive	О́бі Óbi
dative	О́бі Óbi
accusative	Обь Obʹ
instrumental	О́б'ю Óbʺju
locative	О́бі Óbi
vocative	О́бе Óbe

Further reading

• A. Rysin, V. Starko, Yu. Marchenko, O. Telemko, et al. (compilers, 2007–2022), “Обь”, in Russian-Ukrainian Dictionaries