Where does “illj” come from?

illj (Hungarian) comes from Hungarian illik, from Hungarian -an, from Hungarian -á, from Proto-Uralic -i.

Ancestry of “illj”, step by step

StepLanguageWordMeaning
1Hungarianillikto fit; to suit, to match; to be proper
2Hungarian-anAdded to an adjective to create an adverb; Added...
3Hungarian-áUsed to form the third-person singular indicative...
4Proto-Uralic-i—
Every word from Proto-Uralic -i →Every word from Hungarian -á →Every word from Hungarian -an →