Where does “kárörömök” come from?

kárörömök (Hungarian) comes from Hungarian káröröm, from Hungarian öröm, from Hungarian -öm, from Hungarian -ö-, from Hungarian -d, from Middle Welsh -nt — 3rd person plural verb ending.

Ancestry of “kárörömök”, step by step

Step	Language	Word	Meaning
1	Hungarian	káröröm	schadenfreude, gloating
2	Hungarian	öröm	joy, pleasure
3	Hungarian	-öm	Used to form the first-person singular present...
4	Hungarian	-ö-	linking vowel
5	Hungarian	-d	your; Used in the second-person singular definite...
6	Middle Welsh	-nt	3rd person plural verb ending

Every word from Middle Welsh -nt →Every word from Hungarian -d →Every word from Hungarian -öm →