The origin of the Hungarian name
Ilona
has the following meaning:
Torch or moon or more likely to elope.
The etymology of "Ilona"
is
Finnish, Hungarian and Latvian form of Helen.
Other information:
Etymology is the study of the origin of words, and in this case, the origin of names.
The word etymology comes from Greek
etymon, "true sense of a word", and logia, "doctrine or study".