Borrowed from Classical Persian تا که (tā ki). By surface analysis, ता (tā) + कि (ki).
ताकि • (tāki) (Urdu spelling تاکہ)
- so, so that, in order to
मैं जल्दी घर आ गया ताकि हम खा सकें।- ma͠i jaldī ghar ā gayā tāki ham khā sakẽ.
- I came home early so that we can eat.