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 фоpточкой сидит - отгоняй, ночью холод pазогнался с Оби

     Kto pod foptočkoj sidit - otgonjaj, nočʹju xolod pazognalsja s Obi

     If anybody is sitting near the fortochka, you must drive him away, (because) the cold is driving from Ob this night

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