waṣaltu –

ḥattā waṣaltu" translates to "until I arrived" or "until I reached".

ḥattā waṣaltu ila al-bayt (until I arrived home)
ḥattā waṣaltu ila al-madrasa (until I arrived at school)
ḥattā waṣaltu ila nihāyat al-kitab (until I reached the end of the book)"