Hungarian word eddig comes from Hungarian ez, Hungarian -ig-

Detailed word origin of eddig

Dictionary entry	Language	Definition
ez	Hungarian (hun)	This (used before a noun phrase with a definite article, gets the case of the noun phrase) This (used as a pronoun, that is, instead of a noun phrase).
-ig-	Hungarian (hun)
eddig	Hungarian (hun)	So far, hitherto.

Words with the same origin as eddig