The Particle لا in the Role of "Straight"
ئۇدۇل» رولىدىكى «لا» يۈكلىمىسى»
When coupled with nouns in the dative or ablative cases, the particle لا adds an additional emphasis to create expressions analogous to the English "straight to" or "straight from". In this case, لا may be seen as carrying the meaning of both limitation and precision, as the two carry almost the same meaning in this context.
When combined with a time, this expresses a meaning analogous to "straight from the time when..."