Megtörténnie
Megtörténnie is not a standard standalone verb form in Hungarian; the canonical non-finite form of the verb is meghatár: the infinitive is megtörténni, meaning to happen or to take place. The prefix meg- on the root történ- (to happen) signals completeness or emphasis, and the verb is commonly used to refer to events or occurrences.
The basic verb is megtörténni. Its conjugation follows regular patterns for verbs with -ni infinitives: present
Etymologically, megtörténni combines meg- with történni, the latter being the intransitive verb meaning to happen. The
Usage notes: while megtörténni is standard, the form megtörténnie is not part of the typical Hungarian lexicon.