о-

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Russian[edit]

Etymology[edit]

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

Prefix[edit]

о- (o-) (also об- (ob-) and обо- (obo-) before certain letters)

  1. prefix added to adjectives or nouns to produce factitive verbs in conjunction with -ить (-itʹ), i.e. verbs with the meaning of making (someone or something) the mentioned characteristic or property
  2. prefix added to adjectives or nouns to produce fientive verbs in conjunction with -ить (-itʹ) + -ся (-sja) or with -еть (-etʹ), i.e. verbs with the meaning of becoming or receiving the mentioned characteristic or property
    о- (o-) + зо́лото (zóloto, gold) + -и́ть (-ítʹ) + -ся (-sja)озолоти́ться (ozolotítʹsja, to receive gold; (figuratively) to get rich)
    о- (o-) + зелёный (zeljónyj, green) + -ить (-itʹ) + -ся (-sja)озелени́ться (ozelenítʹsja, to become green; to become planted)
    о- (o-) + безлю́дный (bezljúdnyj, uninhabited, depopulated) + -еть (-etʹ)обезлю́деть (obezljúdetʹ, to become depopulated)
  3. prefix added to verbs of motion: about, around
    обо- (obo-) + идти́ (idtí, to go)обойти́ (obojtí, to go around)
  4. prefix added to nouns: close by, around
    окра́ина (okráina, outskirts, periphery)
    обо́чина (obóčina, roadside, curb)
  5. prefix added to verbs: completely, to the full extent
  6. prefix added to verbs, with the suffix -ся (-sja): to fail at (some action)
    о- (o-) + говори́ть (govorítʹ, to speak) + -ся (-sja)оговори́ться (ogovorítʹsja, to make a slip of the tongue)
  7. prefix added to verbs, with the suffix -ся (-sja): to recover from (some action)
    оду́маться (odúmatʹsja, to change one's mind)
    опо́мниться (opómnitʹsja, to regain consciousness)