обо

See also: обо- and Appendix:Variations of "obo"

Russian

Etymology

Inherited from Proto-Slavic *o(b), from Proto-Indo-European *h₃ebʰi.

Pronunciation

• IPA^(key): [ɐbə]

• Audio:

  (file)

• IPA^(key): [ɐbɐ] (before a stressed syllable)
• IPA^(key): [əbə] (after a consonant)
• IPA^(key): [əbɐ] (after a consonant and before a stressed syllable)

Preposition

обо • (obo)

1. about, of, on [+prepositional]

   обо мне ― obo mne ― about me

   обо всех ― obo vsex ― about everybody

2. against, upon [+accusative]

   обо что́-либо ― obo štó-libo ― upon something

Usage notes

The form обо is used before мне, что (and compound words beginning with чтo); also along with о before inflected forms of все, всё, весь. In most cases, use о (o) or об (ob) instead.