Where does “nyújtja” come from?

nyújtja (Hungarian) comes from Hungarian nyújt, from Proto-Finno-Ugric nᴕjɜ-.

Ancestry of “nyújtja”, step by step

Step	Language	Word	Meaning
1	Hungarian	nyújt	to stretch, to extend, to lengthen, to prolong;...
2	Proto-Finno-Ugric	nᴕjɜ-	—