kismet
Fate; a predetermined or unavoidable destiny.
uncountable
But these things are kismet, and we only find out all about them just when any knowledge is too late.
Where it comes from
From Ottoman Turkish قسمت (kısmet, “fate, destiny”) (Turkish kısmet), from Arabic قِسْمَة (qisma, “division, lot, destiny”).
Adapted from the Wiktionary entry kismet (CC BY-SA 4.0).