случившееся

what happened, what has happened

s ɫ ʊ t͡ɕ i f ʂ ɨ j ɪ sʲ ə → случиться
случи happen; occur + вш having done + ее neuter singular nominative + ся reflexive marker
verb · singular · past Rare #45,875
what happened, what has happened Often used like a noun to refer to an event or situation that happened.
RU: Мы долго обсуждали случившееся.
EN: We discussed what happened for a long time.
Conjugation of случиться
Past
случившееся