õnnetusele
"Õnnetusele" is the genitive case of the Estonian word "õnnetus," which translates to "accident" or "misfortune" in English. In Estonian grammar, the genitive case is used to indicate possession, origin, or to express various prepositions and postpositions. Therefore, "õnnetusele" signifies "to the accident," "of the accident," or a similar relationship depending on the context of the sentence in which it appears.
When used in a sentence, "õnnetusele" would typically follow a noun or verb that governs the genitive