# про-
## Old Church Slavonic
### Etymology

Inherited from Proto-Slavic *pro-.

### Prefix

про- • (pro-)
* (used with verbs) through, past (describing an action of passing through a space or an object)
    ‎про- (pro-) + ‎-ити impf (-iti, “to go”) → ‎проити pf (proiti, “to go through, to pass by”)
* (used with verbs) describing an action of passing by an entity and moving further from an entity
    ‎про- (pro-) + ‎пустити pf (pustiti, “to let”) → ‎пропустити pf (propustiti, “to let pass through”)
* (used with verbs) describing an action that describes losses, expenses, wasting, or forgetting
    ‎про- (pro-) + ‎пасти impf (pasti, “to fall”) (figuratively) → ‎пропасти pf (propasti, “to get lost”)

#### Related terms

* про (pro)

## Russian
### Etymology

From the Proto-Slavic *pro- prefix, from Proto-Slavic *pro.

### Pronunciation

* IPA: [prə]
* IPA: [prɐ] (before a stressed syllable)
* IPA: [ˈpro] (when stressed)

### Prefix

про- • (pro-)
* (used with verbs) through, past (describing an action of passing through a space or an object)
    ‎про- (pro-) + ‎-йти́ impf (-jtí, “to go”) → ‎пройти́ pf (projtí, “to go through, to pass by”)
    ‎про- (pro-) + ‎ступа́ть impf (stupátʹ, “to tread, step”) → ‎проступа́ть pf (prostupátʹ, “to exude, ooze (in a metaphorical sense)”)
* (used with verbs) describing an action of covering a whole object
    ‎про- (pro-) + ‎са́лить impf (sálitʹ, “to grease, apply oil onto something”) → ‎проса́лить pf (prosálitʹ, “to cover something with oil completely”)
* (used with verbs) describing an action of passing by an entity and moving further from an entity
    ‎про- (pro-) + ‎пусти́ть pf (pustítʹ, “to let”) → ‎пропусти́ть pf (propustítʹ, “to let pass through”)
* (used with verbs) describing an action that entails completeness, exhaustiveness, or accuracy
    ‎про- (pro-) + ‎штуди́ровать impf (študírovatʹ, “to study (in a form of researching)”) → ‎проштуди́ровать pf (proštudírovatʹ, “to study thoroughly”)
* (used with verbs) describing a momentary action with a short duration
    ‎про- (pro-) + ‎визжа́ть impf (vizžátʹ, “to squeal”) → ‎провизжа́ть pf (provizžátʹ, “to squeal (momentarily for a short time)”)
* (used with verbs) describing an action that lasts for a certain period of time
    ‎про- (pro-) + ‎ждать impf (ždatʹ, “to wait”) → ‎прожда́ть pf (proždátʹ, “to wait (for a while, for some time)”)
    ‎про- (pro-) + ‎рабо́тать impf (rabótatʹ, “to work”) → ‎прорабо́тать pf (prorabótatʹ, “to work (for a while, for some time)”)
    ‎про- (pro-) + ‎сиде́ть impf (sidétʹ, “to sit”) → ‎просиде́ть pf (prosidétʹ, “to sit (for a while, for some time)”)
* (used with verbs) describing an action that describes losses, expenses, wasting, or forgetting
    ‎про- (pro-) + ‎срок (srok, “period, term”) + ‎-ить (-itʹ) → ‎просро́чить pf (prosróčitʹ, “to expire (time-wise, as time for doing something is lost)”)
    ‎про- (pro-) + ‎пасть impf (pastʹ, “to fall”) (figuratively) → ‎пропа́сть pf (propástʹ, “to get lost”)
* (used with nouns) describing a state of being that is located between two entities or among more than two entities
    ‎про- (pro-) + ‎меж (mež, “between”) + ‎уте́чь (utéčʹ, “to pass by”) (deverbal) → ‎промежу́ток (promežútok, “interval”)
* (used with adjectives or nouns) describing an initial appearance or insufficiency of characteristics
    ‎про́- (pró-) + ‎зелёный (zeljónyj, “green”) + ‎-ь (-ʹ) → ‎про́зелень (prózelenʹ, “greenness”)

#### Related terms

* про (pro)