Where does “üsselek” come from?

üsselek (Hungarian) comes from Hungarian üt, from Proto-Finno-Ugric äktɜ- — hit, beat, cut.

Ancestry of “üsselek”, step by step

Step	Language	Word	Meaning
1	Hungarian	üt	to hit, strike, beat, knock, slap, smack; to take...
2	Proto-Finno-Ugric	äktɜ-	hit, beat, cut