From Wiktionary, the free dictionary
со скольки́ • (so skolʹkí)
- (colloquial) since what time, from what time, since when, how long (for) (in the past)
- Я сиде́ла здесь... со скольки́? Я не зна́ю. ― Ja sidéla zdesʹ... so skolʹkí? Ja ne znáju. ― I've been sitting here for... how long? I don't know.
- Со скольки́ тебе́ удо́бно? ― So skolʹkí tebé udóbno? ― From what time (onwards) is convenient for you?
- (colloquial) since what age, from what age
- Со скольки́ лет мо́жно уча́ствовать? ― So skolʹkí let móžno učástvovatʹ? ― How old do you have to be to participate?
- Ты ду́мала об это́м со скольки́, с 14? ― Ty dúmala ob etóm so skolʹkí, s 14? ― You've been thinking about this since, what, age 14?
